SOLUTION: X^2-13x+42 over X^2-4x-21 Equals to what must be simplify

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Question 1002340: X^2-13x+42 over
X^2-4x-21
Equals to what must be simplify

Found 2 solutions by fractalier, stanbon:
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Always look to factor and cancel...so from
%28x%5E2-13x%2B42%29%2F%28x%5E2-4x-21%29
we get
%28x-7%29%28x-6%29%2F%28x-7%29%28x%2B3%29
The x-7 cancels and our final answer is
(x-6)/(x+3)

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(X^2-13x+42) / (X^2-4x-21)
====
Factor::
[(x-7)(x-6)] / [(x-7)(x+3)]
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= (x-6)/(x+3)
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Cheers,
Stan H.
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