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

Question 186607: (x^4-1)/(x^4-81)*(x^2+9)/(x^2+1)
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Simplify:
Factor the numerator and the denominator of the left-most fraction.
Cancel the indicated factors.

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