SOLUTION: How do I simplify this expression? X^2-16 divided by x^2-7x+12?

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Question 1185178: How do I simplify this expression?
X^2-16 divided by x^2-7x+12?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
%28x%5E2-16%29%2F%28x%5E2-7x%2B12%29

Factor the numerator as (x-4)(x+4)
Factor the denominator as (x-4)(x-3)

%28%28x-4%29%28x%2B4%29%29%2F%28%28x-4%29%28x-3%29%29

Cancel the (x-4)'s

%28%28cross%28x-4%29%29%28x%2B4%29%29%2F%28%28cross%28x-4%29%29%28x-3%29%29

%28x%2B4%29%2F%28x-3%29

Edwin