SOLUTION: Hi wondering if someone can solve these problems:These are multiplying and dividing rational expressions. y^2-2y+1 over y^2 -1 times 2y^2 + y-1 over 5y -5 and another one 8x

Question 85465: Hi wondering if someone can solve these problems:These are multiplying and dividing rational expressions.
y^2-2y+1 over y^2 -1 times 2y^2 + y-1 over 5y -5
and another one
8x + 8y over x^2 divided by x^2-y^2 over x^2
thanks for any help you can offer

Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
1) Multiply:
You can often simplfy problems such as this by factoring the numerators and denominators, where possible, and canceling like-factors.
Cancel like-factors.
...and you are left with:

2) Divide:
Simplify this to:
Cancel the 's leaving you with:
Now factor the numerator and denominator and cancel like-factors.

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