# I need help simplifying a rational expression.

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Rational Expressions: Simplifying - Purplemath

Explains how to simplify rational expressions, ... You can use the Mathway widget below to practice simplifying a rational expression. Try ... you may not need the ...

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8ab^3b^3/2a^2-2b^2 divided by 4a^2b^2/ 2a+2b) =8a^3b^3/2ab (a-b) / 4a^2b^2/ 2 (a+b) = 8a^3b^3/ 2ab(a...

Crystal at Yahoo! Answers

-9/96

Franky at Yahoo! Answers

Need help simplifying this expression?

Using the law of exponents would (2a)^5 / a^-2 = 2^5*a^7 I figured I could factor it out to be 2^5 * a^5 / a^-2 Thinking that I could just take the inverse of a^-2 and add it to the top line.. hence getting 2^5 * a^5 * a^2 simplified to 2^5*a^7 But when...

How did you come up with 2a^7 ? You've applied a^b/a^c = a^b-c incorrectly. What you have is a slightly...

Christy at Yahoo! Answers

Help with Simplifying Radical Expression?

Hello, I need help with simplifying the radical expression: sqrt10/81? It's a radical sign and the fraction 10/81 under it. I have two choices: 10/9, which makes the most sense but does not equal the original expression and 9sqrt10 which makes more sense...

neither choice is correct the correct answer is (√10) / 9

Juana G at Yahoo! Answers

Simplifying 4th root radical expression?

i need to make an expression that equals to one involving simplifying a 4th root radical expression (multiply or divide) any help???

x^4 times the fourth root of x

MQP6W2XID7N72Y5PUC3YUIB4ZM at Yahoo! Answers

-x^2y+4x^2y+7x^2 First we combine like terms 3x^2y+7x^2 This has a factor of x^2. Let's take it out...

nickyb12... at Yahoo! Answers

When simplifying a rational expression, why do you need to factor the numerator and the denominator?

When simplifying a rational expression, why do you need to factor the numerator and the denominator? B. When adding and subtracting rational expressions, why do you need a LCD? C. When a polynomial is not factorable what is it called? Why?

1. If any factor is divisible into both the numerator and denominator, you can cancel it out (as long...

catherin... at Yahoo! Answers

Help me understand simplifying this rational expression?

The problem is: x^2 + 6x +5 ---------------- x^2 - 25 The work is shown in the book as follows Step 1: (x+5)(x+1) -------------- (x+5)(x-5) No problem so far. Step 2: Factor out the (x+5)s. Still no problem. Step 3: The answer is: x + 1 ------- , x ...

It's not that you can't have -10 in the denominator - remember you reduced the original expression....

Erika S at Yahoo! Answers

Simplifying Complex Rational Expression??? Help Please!?

I know this is probably not as complex as I make it out to be but I cant find the right anwser and I need to have the correct for a test. Simplify: 1/6 - 1/y Divided by 6-y/6 Hope the format of how this is set up makes sense.. its basically the two first...

(1/6 - 1/y)/((6-y)/6) =(1/6 - 1/y)* =(y-6)/6y * 6/(6-y) =(y-6)/y * 1/(6-y) =-(6-y)/y * 1/(6-y) = -1...

Tim at Yahoo! Answers

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