## Simplify x-3 . X0

### Algebra

1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2. Simplify (7t^2+9)+(6t^2+8) A) t^2 +1 B) 13t^2+17 C) 13t^4+ 17**** D) 42t^2+72 3. Simplify 3n(4n^2 + 5n) A) 12n^3 + 15 n^2***** B) 7n^2+8n C) 12n^2 +15n D) 12n^2 +8n 4. Factor 18s A)

### urgent math

1. Simplify the expression 7^9/7^3 a.7^3*** b.7^6 c.7^12 d.1^6 2. Simplify the expression z^8/z^12 a.z^20 b.z^4 c.1/z^-4 d.1/z^4 3. Simplify the expression (-3^4)/(-3^4 a.(-3)^1 b.0 c.1 d.(-3)^8 4.Which expressions can be rewritten as 1 over the base

### MATH

Find and simplify the diﬀerence quotient for the given function. f(x)= -x^2+2x-1 I need to know how to set up the equations and simplify everything when dividing by h at the end.

### Algebra 1

Plz help me with the following problems. Simplify. 5^-1(3^-2) Simplify. mn^-4/p^0q^-2 Write a scientific notation. Write in standard notation. *10^3 Simplify. Write in scientific notation. (8 * 10^5) Simplify. Write in scientific notation. (9

### math

1. What is the first step to evaluate this expression? 73 – 4 • 3 + 8 (1 point) exponent subtraction multiplication* addition 2. Simplify 2 + (5 × 4 + 3). (1 point) 31* 25 37 43 3. Which shows the product of a number n and 12? (1 point) n – 12 n

### Algebra 1B Radical expressions & data analysis

1. Simplify 2/√5 A. 2/√5 B. √10 C. √10/5 D. 2√10/5 *** My answer 2. Simplify √ A. √7 B. √7 C. √7 D. 4√7 *** My answer 3. Simplify 17√17 -9 √17 A. 8 *** My answer B. 8√17 C. 26√17 D. 8√0 4. Simplify 6/ √3 +

### Algebra

1. Simplify the expression: 4√18+5√32 A√2 B√2 C√2 D.9√50 2. Simplify the expression: 7√√80 A√5 B√75 C D.4√ 3. Simplify the expression: √21(√3+√14) A.9√√6 B.2√6+√35 C.3√7+7√6 D.√

### math thanks for your help

let f(x)=-4x+7. find and simplify f(n) f(n)=_____ simplify your answer

### Algebra

1.Simplify the radical expression. √5+6√√5 A.5√5 B.7√10 C.7√5 D.5√10 2.Simplify the radical expression. 2√6+3√96 A√6 B√96 C.5√96 D√6 3.Simplify the radical expression. (8+√11)(8-√11) A B+16√11 C D+√11

### Math HELP

Find the like terms in the expression 1.) y + y + z 2.) simplify 2 + 17x - 5x + 9 3.) simplify 3(5 =6) - 4 4.) Factor 81 – 27p

### Math

Simplify this question 10h + 6 - 5h + 3 simplify? Simplify??? Please help

### Algebra

Translate the phrase to mathematical language. Then simplify the expression the difference between and What is a numerical expression for the phrase?_________(Do not Simplify) Now simplify the expression

### math

simplify 10p4 A. B. C. 5, D. , simplify 9c4 A. B. 15, C. 5 D. 3,

### Algebra 2 Answer Check

Simplify. 1. 5√6 - √24 A: 3√6 2. Evaluate 3y + 5xy - x for x = 4 and y = 2 A: 42 3. Simplify 3x(5y + 4) - 2xy - 10x + 6x^2 A: 3xy + 2x + 6x^2 4. Evaluate 5^-3 A: 1/ 5. Simplify ((-2x^4y^7)/(x^5))^3. Assume all variables are nonzero. A:

### algebra

For questions , simplify the polynomial. 1. 14x^2 + 4 + 3x - 12x^2 - 3 + 11x 2. 3x^2 + 6 - 2x + 5x - 4x^2 + 9 3. 2x^2 + 6x - 7x + 8 - 3x^2 + 1 4. In the expression -7x - 3x^2 + 5, what is the coefficient of x? Add or subtract. 5. (m^2 - m + 3) + (m - 1)

### algebra

am I right? 1. Simplify radical expression sqrt 50 5 sqrt ^2*** 2 sqrt ^5 5 sqrt ^10 5 2. Simplify the radical expression sqrt 56x^2 28x 2x sqrt 14*** 2x sqrt 7 sqrt 14x2 3. Simplify the radical expression. sqrt y^5w^6 2 sqrt y^2 2y sqrt *** 27

### algebra

Write and simplify an expression for the sum of three consecutive integers, when the middle number is 2n. What does this mean exactly? (2n-1) + 2n + (2n+1) ,, Would this be correct? What does it mean to simplify this?

### Math Please Urgent

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/ 9 (r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure

### calculus

I have been asked to solve this two different ways. The first way is to use the chain rule and then simplify (which I have already done properly), and the second way is to simplify and then differentiate (not necessarily with the chain rule). I am stuck on

### Math

Simplify. (5x2 + 3x - 7) - (x2 - 7x + 4) Simplify. (5x^2 + 3x - 7) - (x^2 - 7x + 4) distribute - sign to get -x^2 +7x -4 put on top of one another and add 5x^2 + 3x - 7 -x^2 + 7x - 4 4x^2 +10x

### Algebra

Simplify 1/r=1/x+1/y Multiply both sides by rxy. Then simplify. I will be happy to check your work. That is as compact and simple as the relationship can be written. Are you looking for an explicit formula for x, y or r?

### Algebra 2/Trig

I've done every other single question besides this one. (There was 12). I'm stumped and would really appreciate some help! I have to simplify this: 5/3sqrt() I am not sure if you have to conjugate the denominator and multiply it with the top and bottom,

### algebra 1 help

simplifying square roots 1) find volume of this prism? v=bwh b=√12" w=√6" h=√8" 2)simplify: √ 3)simplify: √ 4)simplify: √ 5)simplify: √(1/4) ex 2√5 + 6√5= 8√5 the answer has to be in √ but i don't understand it i got help by

### Mathhelp

remove the brackets and simplify questions a) 3(2a+5)+2(a+7) b) 5(b+4)+10b c) 4(2c+3)+3(c-3) d) 8+6(d-2) e) 6(5e+3)-4(2e+3) f) 5(3f+2)-(f-5) MY ANSWERS a)6a+15+2a+14 8a+29 b)5b+20+10b 15b+20 c)8c+12+3c-9 11c-3 d)8+6d I need to simplify morehow?

### algebra

I am supposed to write each logarithmic expression as a single logarithm. I have logbase3of13 + logbase3of3 and my answer is logbase3of Can I simplify that any further? also logbase3 of 3 is 1 1+ log3 13 is another answer, simpler, to me. oh, okay, so

### Math

Simplify each expression ()^1/3 My answer is 1/6. Am I correct. (x^4y)^1/3 (xy^4)^2/3 I do not know how to simplify this.

### Calc. Help

Simplify. #1. 5(2-i) - 3(4+3i) ..my work: ii i Do you leave this as the answer or can you simplify it further? #2. (2-i√2)²

### math

Connections Academy what is 3! simplified as a 2 b 5 c 3 d 6*** simplify 10p4 a b c 5,*** d , simplify 15c3 a b *** c 2, d my answers 1-d 2-c 3-b

### Algebra

1. LCM of 15x^7 and 45x^7 2. Marla can shovel the driveway in 60min and Bill can do it in 45min how long would it take them to do the job together? 3. Divide and simplify: x^/x divided by x+2/x+8 4. add and simplify: 5/49z^3 + 1/35z^2 5. simplify by

### Intermediate Algebra

I have a take home test and I'm stuck on a couple. Anyone help please? 1. Find the vertex & axis of symmetry: -5(x+4)^ 2. Find the vertex & axis of symmetry: y=x^x+3 3. Simplify: (2i+5)(3+4i) 4. Simplify: 3(21+2i)+(i) 5. Simplify: (27x^2y^3)^-3/4

### algebra 2

1.Simplify the difference. n^2 - lOn+24 9 / n^2 - 13n + 42 — 7 A. n/n-7

### math

1. What is the first step to evaluate this expression? 73 – 4 • 3 + 8 (1 point) exponent subtraction multiplication addition 2. Simplify 2 + (5 × 4 + 3). (1 point) 31 25 37 43 3. Which shows the product of a number n and 12? (1 point) n – 12 n over

### Algebra

1.Simplify x/7x+x^2 A.1/7+x;where x≠-7 B.1/7x;where x≠0 C.1/7+x;where x≠0,-7 D.1/7**** 2.Simplify x^4/x^4+8x^5 A/1+8x;where x≠-1/8**** B/1+8x;where x≠-1/8,0 C/9x;where x≠0 D/9 3.Simplify x^x/x+3 A.x-3 B.x-6;where x≠-3

### math

1)Can z+6/z+1 be reduced any further? 2)Add and simplify v/v^2+8v+16 + 4/v^2+7v+12 3)For this second binomial do you change the the sign of the second term? Subtract and simplify 1-y/y-2 - 9y-8/2-y 4)Solve 4/5+1/2=1/x 5)8/x=9/x-1/2 Thanks!

### algebra

1)Simplify:(6x^x^2+11x-5)/(3x-2) answer= 2x^x+over3x-2 2)Factor 27x^ completley. answer= (3x-1)^3 if this isnt correct,im not sure how to solve it b/c this makes the most sense to me. 3)Simplify: x^x over x^x+14,assume that the

### Algebra 1

Simplify using long division. (remember to show all your work.) 3. (x^2+4x^x)/(x-3) 4. (8b^)/(2b-1) simplify the expression, if possible. state the excluded values, if any. 5. 10x^X+15^5x-5 w^^w^2+6w+9

### Algebra 1b!

1. Find the excluded value of x for the polynomomial expression 4x/6 a. 6 b. -6 c. 1/6 d. -1/6 2. Simplifly x/7 + 4x+5/7 a. 2x+8/14 b. 2x+8/7

### math

One card is selected at random from an ordinary set of 52 cards. Find the probability of each of the following events: d. A jack is not drawn would the answer be/52 since you subtract 4 from 52 for the four jacks and simplify to get 12/13 or do you say

### math probability

One card is selected at random from an ordinary set of 52 cards. Find the probability of each of the following events: d. A jack is not drawn would the answer be/52 since you subtract 4 from 52 for the four jacks and simplify to get 12/13 or do you say

### Math

Simplify. (xz^3) (x^2 y^-1)^-3 __________ 2z^2 using only positive exponents how do I simplify this?

### Algebra 1

Simplify the difference (-7p^4+4p^3+6)-(3p^p+3) I removed the parenthesis and changed the addition and subtraction signs to their opposites on the second set; -7p^4 + 4p^3 + 6 - 3p^3 + 5p - 3. When I combined the like terms, I was able to simplify the

### algebra 1 help

simplifying square roots 1) find volume of this prism? v=bwh b=√12" w=√6" h=√8" 2)simplify: √ 3)simplify: √ 4)simplify: √ 5)simplify: √(1/4)

### algebra help soon please

i cannot figure any of this stuff out. please help. if you can there are 15 more of these 1. Simplify 5 + ()2/6 A11 B41/6 C51/6 D7 E17/6 F23 2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F/8 3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A/2

### algebra

i cannot figure any of this stuff out. please help. if you can there are 15 more of these 1. Simplify 5 + ()2/6 A11 B41/6 C51/6 D7 E17/6 F23 2. Simplify (26/2 + 33)/(23) A11/3 B5 C20/3 D8 E6 F/8 3. Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)] A/2

### Math To: Reiny

This is one whole question: (12) (10xy^3) (3x^2y^2) (5x) (2y) I don't know how to do any of these: simplify sqaure root of simplify sqaure root of simplify 3 * square root 81 simplify square root of simplify square root of simplify

### Algebra

1. Subtract and simplify 18/y-8 - 18/8-y 2. subtract simplify if possible v-5/v - 7v/11v 3. Simplify by removing factors of 1 r^/(r+9)^2 4. Divide and simplify v^/25v+ divided by v-4/20 5. find all rational numbers for which the rational

### Algebra

Simplify A^6 x a^2b^-2 44, in scientific notation Simplify (a^2b^3)(a^5) Simplify x^-5y^-6 What is the P(H,H,H,H,T,T,T,) on 7 flips of a coin?

### math- please help!

Please help with these 5 problems! I have the solutions but I don't understand how to get them! 1. Perform the indicated operations and simplify: [(2/x)-1]/(x^2 -4) 2. Subtract and simplify: [12/(x^2 -4)] - [(3-x)/(x^2 + 2x)] 3. Perform the indicated

### Algebra 2

1. Simplify: sqrt6(sqrt2/2+sqrt3)-sqrt8 2. Simplify: sqrt(72x^3)-5x sqrt(2x) 3. Simplify: (2sqrt6-sqrt3)^2 4. Simplify: 6/3+2sqrt3 5. Solve: 2-y=sqrt(y+4) I need all of the steps. Thanks

### Math

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/ 9 (r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure

### Math Ms. Sue

Here are the questions I need help with, please help. [(1/4)^-3 divide sign (1/4)^2]^-2 I got (1/4)^10 but I got it wrong (3^1/2)^3 _______ I got 1/ 9 (r^2)divide sign (-7r^2)= I got 8r x(y)(x)(2y) (12) (10xy^3) (3x^2y^2) (5x) (2y) simplify sqaure

### Math SCREAMING for HELP

Use the quadratic formula to slove the equation. x^2-x=-7 This is what I have got so far and I do not think this is right: x=1(-1)±√-1^(1)(7)/2(1) x=1±√(7)/2 x=1±√/2 x=1±/2 and here I am lost! Use rational exponents to simplify.

### maths

Hi, could someone please tell me how I would go about working these out: (the answer must be in the form aãb where a and b are integers and b is as small as possible.) 1) Simplify ã 2) Simplify ã50 x ã60 Also.. Simplify the following

### Algebra

1- Simplify the radical expression: √h^4k^5 a) hk√ b) 5√10h^4k^5 c) 5h^2k^2√10k d) 25hk√10k ** 2- Simplify the radical expression: √21y * 5√49y a) 5y√1, b) 5√1,y^2 c) 35y√21 d) 35√21y^2 ** 3- Simplify the radical

### Algebra

need help checking Create a 2-column proof for the following equation. X + X + 10 + 2(2X + 10) = X + X + 10 + 2(2X + 10) = (Given) 2X + 10 + 2(2X + 10) = (Simplify) 2X + 10 + 4X + 20 = (Expand) 6X + 30 = (Simplify) 6X = - 30

### Math

Hi there! I am so confused about these questions if anyone could help that would be great. 1. Simplify. x+5/x^2+6x+5 A) 1/x+1; where x= -1*** B) 1/x+1; where x=-1,-5 C) 1/x-5; where x=5 D) x-5 2. Simplify. x^2+3x-4/x+4 A) 1/x-4; where x=4 B) x-4 C) x-1;

### college algebra

1. divide and simplify x^2+x/x^ / x-7/2x+2 2. find the product in simplest from for x^2+x-6/2x^2-x-3 * x^x^6+4x^5/x^4+8x 3. perform the indicated operations and simplify: 2/3x +4/3x^2 y^4 -6/2x^4 y^5 4. perform the indicated operation and simplify

### Math

6-y/y^y=? *I don't get this one.PLease help me Try to factor wherever you can to simplify. (6 - y)/(y^2 - 2y - 24) y^2 - 2y - 24 factors are: (y - 6)(y + 4) Factor out -1 in the numerator: -1(y - 6) Now we can simplify this fraction: -1(y - 6)/(y

### Algebra

Can you please check my work? You have helped other students I know. Thank you:) Multiply -7(2a2 -4) = a2 + 28 Multiply (a + b -5) = a + b - Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x -

### Algebra (check my answers)

Please check these answers. Multiply -7(2a2 -4) = a2 + 28 Multiply (a + b -5) = a + b - Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x - 12y - 5 Evaluate the expression 3x2y when x = 3 and y

### Algebra

1. Simplify the expression 4 3 — - — x x 2. Simplify the expression 6 4 — + — c c² 3. Simplify the expression 3y 9y — ÷ — 4y - 8 2y² - 4y 4. Simplify the expression: ( 2x³ - x² - 13x - 6 ) ÷ ( x -3 )

### pre algebra

simplify: I don't understand on how to answer this and simplify it. (dt4)(3d-6) Can someone please write out the steps on how to solve it.

### math,simplifying

can someone help me if possible simplifying this fraction more (2(x-5))/((x+3)(x-3)(x+1)) It wont simplify any more. okay thank you i just tjought that the bottom i could still simplify it by foiling the first two them multiplying with the last

### MATH PLZ HELP

I need all the answers please :( Find the like terms in the expression 1.) y + y + z 2.) simplify 2 + 17x - 5x + 9 3.) simplify 3(5 = 6) - 4 4.) Factor 81 – 27p

### Math Please Check

Please check my answers! Thank you! Simplify the following expressions. Collapse “x” terms, and/or simplify fractions and exponents. 1.) (12/5) / (36/20) = 4/3 2.) x^13*x^3 = x^16 3.) x^4 / (x^2)^3 = 1/x^2 4.) x^-3 / x^2 = x^-5 5.) (x^x+16) / (x-4)

### Math

simplify the complex fraction 4/x+5 +2 _________ 14/x+5 -2 Once i multiply by the LCD i get 4+2(x+5)/(x+5) however i can't see what i can do next to simplify can you explain.

### Algebra

Simplify by removing the factor of 1 y^y+6/ y^2+8y-9 I need to LCD? y^2 Then I divide the denominator into the numerator? Then I simplify?

### Math

1.) Find the term containing X^2 in the expression (1+1/x^2) (2 + x)^4. Simplify your answer. 2.) Simplify by using the index law. a.) (6x^-1 X x^-9y^5)^3 b.) (2/3- x^0 X x^0) ^4

### Math 7 A

Find the like terms in the expression 1.) y + y + z 2.) simplify 2 + 17x - 5x + 9 3.) simplify 3(5 =6) - 4 4.) Factor 81 – 27p

### Algebra

I have to simplify this: (x^(1/2) * z^(-4/5)^4 My work: x^2/z^(16/5) Correct? Simplify (3+5SQRT2)(4+SQRT10) I have no idea how to foil this one.

### Alg

I have to simplify this: (y^(1/4)*Z^4)^(-4/5) My answer: (2z)^(1/2)/4z^4 Correct? Simplify (SQRT2)(SQRT) I have no idea how to foil this one.

### double square root problem?

Hi I do not how to simplify the problem x^2 =40+12sqrt2 what would be x? BTW if you sqrt both sides it would be double square root so what then? how to simplify?

### algebra

Simplify 1/9^-4 One divided by 9^-4 Directions say to simplify answer and type an integer or a fraction. Is correct?

### rational expressions

1)Can z+6/z+1 be reduced any further? 2)Add and simplify (v/v^2+8v+16) + (4/v^2+7v+12) 3)For this second binomial do you change the the sign of the second term? Subtract and simplify (1-y/y-2) - (9y-8/2-y) 4)Solve (4/5)+(1/2)=(1/x) 5)(8/x)=(9/x)-(1/2)

### Algebra

When simplifying algebraic fractions, do you simplify things attached by addition/subtraction? EX. 4d-1 _____ 6d Would you be able to further simplify it to: 2d-1 ________ 3d

### Algebra

1. solve 3-w/6-w = 3/w-6 2. Find the LCM of (8+9z), (z^2), and (z) 3. Multiply and simplify: 7z^8/10r^2 * r^4/49z 4. Add and simplify 2/v + 3/v^2 5. t/t=0

### Algebra

Explain how to use mental math to simplify the expression. a.) 8 * 3 * 2 b.) 8 * 2 + 3 c.) 5 + 8 + 3 d.) 10 * 3 -4 I have to include what properties (associative, distributive etc.) I used to simplify the problems.

### Algebra-Please help

I'm really stuck on these problems- Simplify 6xy(3xy)^-2? Simplify 12xyz^-2/8x^-2z Thank you

### algebra

how do i simplify the following: 2x^2 +13x +15 over 4x+6 . I simplified 4x+6 to 2(2+3), but I can't remember how to simplify the top part. Please help

### Algebra 2

1. What is the slope of the line perpendicular to y-6=-2x-4? 2. Simplify 8 ^1/3. In case that doesn't make sense the problem is simplify 8 to the 1/3 exponent. 3. Solve -5

### algebra

can someone explain how I would simplify (3a4 - 2a2 + 5a - 10)(2a4 + 4a2 + 5a - 2)? can anyone help? The #'s that come directly after a letter is the exponent. I just need help understanding how to simplify problems like this

### Algebra 1

1. ( X 10^2) x ( X 10^6) I said 6 X 10^8 2. what is the area of a square with the dimension of 1+ ã 2? I don't know this one 3. Simplify: 2ã 4 + 2ã 8. I said 10 4. Simplify: 2ã 4 + ã 4 I said 6 5. 5ã 4 x ã 8 ã

### Math

Now I have a question where I need to simplify. 9a - b - 2a - 10b How exactly would I simplify this? My textbook is not very clear

### math

please simplify s^3/(6s^2 ) for me please urgent cant understand r give me the steps to simplify

### math

Simplify the expression 6x x 2x^3 x 3x^2y^2/3x^3 x x^4y. I'm confused. The only thing I did was simplify 3x^2y^2/3x^3 to x^1y^2. I need help with the problem.

### math

5ã2x^3-xã18xy^2 simplify as much as possible (5+4ã2)(3+4ã10)multiple and simplify as much as possible

### math

how to graph y=3/4x. what angle does y=9/7x+2 make with the x axis? simplify 2/squarerootof5. simplify square root of 10 times 6. simplify squareroot48 You should not expect somebody just to do your homework for you. for y=(3/4)x isn't the y-intercept

### Algebra 1 Answer Evaluation (Reiny)

Evaluate each expression for the given value(s) of the variable(s). 1. t^6 for t = 2 A: 1/64 2. r^0s^-2 for r = 8 and s = 10 A: 1/? Simplify. 3. x^4/x^-6 A: 1/x^4y^6? Or x^4y^6? 4. a^-3/b^-2 A: 1/a^3b^2? Or a^3b^2? 5. The lead in a mechanical pencil has

### Math

So I found the derivative of an expression and I cannot figure out how to simplify the final answer into the desired form. I got -csc^2(X)/(1+cotx)^2. Now how do I simplify this into -1/(sinx+cosx)^2. Help, it's killing me ahha. Thanks!

### Quick math help

please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^xy+3y^2)-(4x^2-xy-y^2)

### Algebra 2

- Simplify: x^2+6x+8/x^x-8 . Identify any excluded values - Simplify : x^/x^2+6x * x^3+4x^2/x^x

### Algebra II/Trig

Simplify: 1/5(-5a^2b^3)^2(abc)^4 How do you simplify this. How does the "-5" play a role in this? how would you get 1/5 of "-5"

### math

simplify the expression (4+7)x3 write the steps used to simplify.

### math

Can someone help me with this problem? multiply and simplify 4 1/5 x 10/21 x 9/ I know after you simplify 4 1/5 it will be 21/5. What is the next step.

### math

How do you simplify this? 1/{(x/y)+1} multipy numerator and denominator by y. y (1)/y(x/y +1) then simplify y/1+x?

### Math- please help!!!

please help me solve these problems! Thank you! 1. Simplify: (3p^5)(5p^2)+(7p^3)(2p^4) 2. Simplify: (6x^xy+3y^2)-(4x^2-xy-y^2)

### Math A

Simplify 8[()]= Would thid be is that what is ment by simplify?

### pre algebra

simplify: -5w(2w^2-w-9) I don't know how to simplify this and combine like terms

### algebra

Simplify: x^4 x^4+8x^5 A ; x ≠-1/8 1+8x B ; x ≠ -1/8, 0 1+8x C ; x ≠ 0 9x D 9 Simplify: x 7x+x^2 A 1 ; x ≠ -7 7+x B 1 ; x ≠ 0 7x C 1 ; x ≠ 0,-7 7+x D 1 7 Simplify: x-2 x^2+4x A 1 ; x ≠ -6 x+6 B 1 ; x ≠ -6, x+6 C 1 ; x

### Math- Completely confused!

Simplify each expression (where possible) and write the answer without using negative or fractional exponents. Assume that X>0. a. 8x^(1/3) b. (-8x)^(1/3) c. (8x)^(-1/3) d. (3x^(3/4))(16x)^(1/4) e. (x^(1/2)) / (x^(5/2) so far my answers are : a.2x b. -2x

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### Examples

step-by-step

simplify \frac{x^{-3}y^{0}\cdot (xy^{-3})^{2}}{2x^{0}}

en

## How to Simplify Exponents

Multiply exponents by adding the exponents together. For example, x to the fifth power multiplied by x to the fourtth power equals x to the ninth power (x5 + x4 = x9), or (xxxxx)(xxxx) = (xxxxxxxxx).

Divide exponents by subtracting the exponents from each other. The equation x to the ninth power divided by x to the fifth power simplifies to x to the fourth power (x9 – x5 = x4), or (xxxxxxxxx)/(xxxxx) = (xxxx).

Simplify an exponent raised to another power by multiplying the exponents together. Simplifying x to the third power raised to the fourth power produces x to the 12th power [(x3)4 = x12], or (xxx)(xxx)(xxx)(xxx) = (xxxxxxxxxxxx).

Remember that any number to the 0th power equals one, meaning x to any power raised to the 0th power simplifies to one. Examples include x0 = 1, (x4)0 = 1, and (x5y3)0 = 1.

Note that equations with different variables such as x squared multiplied by y cubed (x2y3) cannot be combined to produce xy to the sixth power. This equation is already simplified. However, if the entire equation of x squared multiplied by y cubed is then squared, each of the variables is simplified separately, resulting in x to the fourth power multiplied by y to the sixth power (x2y3)2 = x4y6, or (xxxx)(yyyyyy).

egiles wrote:

Hi,

for x<0,

|x-1| = 1-x

\(\sqrt{1-(x + 1) |x-1|}\)

=\(\sqrt{1-(x + 1)(1-x)}\)

=\(\sqrt{+x^2}\)

=\(\sqrt{x^2}\)

=|x|, again x<0

= -x

Answer (D)

Regards,

Hi!

I'm confused as why the answer isn't simply x (as opposed to-x). The absolute value of x, when simplified, is positive x, even if it is stated that x<0. Why do you go back and add a negative?

Thanks![/quote]

What is positive xwhen x is negative? What do you mean by absolute value of x, when simplified?

Is \(|-7| = -7?\) NOOOO! \(|-7|=-(-7)=7>0!!!\)

Absolute value is always non-negative.[/quote]

Hi EvaJager,

First, many thanks for the help you give me and others on this board. It is much appreciated.

Here is where my answer differed from yours. When I solved it, I reached this point:

= |x|

= x

Here is what you did:

= |x|

= -x

I am confused why you said the absolute value of x is -x. I thought all the absolute value of all numbers is non-negative.

Thanks again!

Eric[/quote]

I am asking the same question again: if \(x = -7,\) is \(|-7|=-7\)??? NO!!!

\(|-7| = 7\). But \(x\) is not \(7, \,\,x\) is \(\) What is the connection between \(-7\) and \(7?\)

Simply, \(7 = -(-7).\)

When \(x\) is negative, multiplying it by \(-1\) it turns it into a positive number. Therefore, \(|x|=-x\) for \(x<0.\)

You cannot write \(|-7|=\) A letter denoting a number if doesn't have a minus sign in front of it, it doesn't mean it cannot be negative. \(x\) doesn't automatically designate a positive number. You are stating yourself that \(x\) is negative!

Absolute value of a number expresses the distance on the number line between that number and 0. Distance between \(-7\) and \(0\) is \(7\).

A number \(x\) can be negative, for example \(x=-7\). And \(-x\) can be positive, if \(x=-5\), because \(-(-5)=5.\)

## X^0 simplify

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Simplifying Rational ExpressionsI was wary. - Well, at least until tomorrow. You already got yours today, huh. - Mom, I still want.

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