SOLUTION: x^2-4 ------ x^2+6x+9 times x^2-9 -------- x^2+4x+4 i need to simplify this and find the restrictions. thank you so much for your help

Question 178863: x^2-4
------
x^2+6x+9
times

x^2-9
--------
x^2+4x+4
i need to simplify this and find the restrictions.
thank you so much for your help
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

So simplifies to .

In other words, where or (these are the restricted values)

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