SOLUTION: simplify the rational expression , if possible; x^2-9/x^2+x-12

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Question 692722: simplify the rational expression , if possible; x^2-9/x^2+x-12
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
simplify the rational expression , if possible;
x^2-9/x^2+x-12
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Factor:
[(x-3)(x+3)] / [(x+4)(x-3)]
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Cancel the (x-3) factors to get:
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= (x+3)/(x+4)
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Cheers,
Stan H.
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