SOLUTION: I am not sure on how to do this problem???? Could you please help??? Multiply and simplify y^2-81 * y^2-9y ------- ------ y^2 y^2+y-90 Thank you !!

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Question 195632: I am not sure on how to do this problem???? Could you please help???
Multiply and simplify
y^2-81 * y^2-9y
------- ------
y^2 y^2+y-90
Thank you !!

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!

Start with the given expression.


Factor to get .


Factor to get .


Factor to get .


Factor to get .


Combine the fractions.


Highlight the common terms.


Cancel out the common terms.


Simplify.


FOIL


Distribute


So simplifies to .


In other words, where , , or .

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