SOLUTION: (x^2+4x-21)/(x^2+x-42) how would you solve this?

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Question 616773: (x^2+4x-21)/(x^2+x-42) how would you solve this?
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Hint: Factor the numerator and denominator and see if anything cancels.
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