dividing/ multiplying Polynomial fractions  TOPIC_SOLVED

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dividing/ multiplying Polynomial fractions

Postby NeedRefresh on Wed Dec 28, 2011 4:56 pm

I was wondering if you could show me how (showing the work) to do these problems:

1. divide and simplify: x^2 -9/x^2 +6x-7 / x^2 -x-6/3x+21

2.Multiply and simplify: x^2 -2x/x^2 -4 * 3x^2 -5x-2/3x^2 +x

I don’t know how this will display but #1 is a polynomial fraction divided by another and # 2 is a polynomial fraction multiplied by another. the x’s are squared (not x^(5x-2))
Thanks for your help.
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Postby stapel_eliz on Wed Dec 28, 2011 6:22 pm

NeedRefresh wrote:I was wondering if you could show me how (showing the work) to do these problems:

1. divide and simplify: x^2 -9/x^2 +6x-7 / x^2 -x-6/3x+21

2.Multiply and simplify: x^2 -2x/x^2 -4 * 3x^2 -5x-2/3x^2 +x

For worked examples, try this lesson. The first page covers exercise (2), being how to multiply rational expressions; the second page covers exercise (1), being how to divide rational expressions.

NeedRefresh wrote:I don’t know how this will display

For help on formatting math as text, please try here. :wink:
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