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OpenStudy (anonymous):
please help simplify and walk me through it. 5x-30/x+4 (times) x+4/x^2+12x+36
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OpenStudy (anonymous):
Well the answer is 5(x-6)/(x+6)^2. So first I factored out everything so 5x-30=5(x-6) and x^2+12x+36=(x+6)(x+6). I just took out the x+4's and ur left with 5(x-6)/(x+6)^2
OpenStudy (anonymous):
But to be honest I dont trust my way of taking out the x+4's so I would ask someone else further
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