SOLUTION: (x^4-1)/(x^4-81)*(x^2+9)/(x^2+1)

Algebra ->  Expressions-with-variables -> SOLUTION: (x^4-1)/(x^4-81)*(x^2+9)/(x^2+1)      Log On


   

Question 186607: (x^4-1)/(x^4-81)*(x^2+9)/(x^2+1)
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Simplify:
%28%28x%5E4-1%29%2F%28x%5E4-81%29%29%2A%28%28x%5E2%2B9%29%2F%28x%5E2%2B1%29%29 Factor the numerator and the denominator of the left-most fraction.
Cancel the indicated factors.
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