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Mathematics 17 Online
OpenStudy (anonymous):

1

OpenStudy (callisto):

(2x^2+8x-42)/(x^2+12x+35) = [2(x^2+4x-21)] / [(x+5)(x+7)] = [2(x+7)(x-3)] / [(x+5)(x+7)] = 2(x-3) / (x+5)

OpenStudy (anonymous):

okay, thanks!

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