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OpenStudy (anonymous):
2x^2 +17x +21 factor completely
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OpenStudy (anonymous):
(x+7)(2x+3)
OpenStudy (anonymous):
how did u get there
OpenStudy (anonymous):
\[given 2x ^{2}+17x+21\] we start by factoring 21, and get 7 & 3 (x+7)(x+3) does not yield enough x and we need 2x-squared. so we add 1x to the second factor and try again: (x+7)(x+x+3) give us the 17x we need without effecting the constant 21
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