SOLUTION: Multiply. Do not simplify. (x+9)/(x+7)∙(x-9)/(x-9)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Multiply. Do not simplify. (x+9)/(x+7)∙(x-9)/(x-9)      Log On


   

Question 242935: Multiply. Do not simplify.
(x+9)/(x+7)∙(x-9)/(x-9)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28%28x%2B9%29%2F%28x%2B7%29%29%28%28x-9%29%2F%28x-9%29%29 Start with the given expression.


%28%28x%2B9%29%28x-9%29%29%2F%28%28x%2B7%29%28x-9%29%29 Combine the fractions.


%28x%5E2-81%29%2F%28x%5E2-2x-63%29 FOIL


So