SOLUTION: Simplify: (z^2-8z+16)/(z^2-16)

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Question 778281: Simplify: (z^2-8z+16)/(z^2-16)
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
FACTOR the numerator and the denominator. Cancel common factors for each time occurring in both numerator and denominator.

Do you see Difference of Two Squares? %28y-a%29%28y%2Ba%29=y%5E2-a%5E2
Do you see a square trinomial? %28y-a%29%28y-a%29=y%5E2-2a%2Ba%5E2