14-05-2014
Mathematics

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Factor completely 4u^2 + 28u + 49

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kate200468 kate200468

14-05-2014

[tex]4u^2+28u+49=4u^2+14u+14u+49=2u(u+7)+7(u+7)=\\ \\=(u+7)(2u+7)[/tex]

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