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kikmanz
Feb 5, 2018, 9:16:10 PM
9
Factor completely 4u^2 + 28u + 49
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Polieke
Feb 5, 2018, 10:56:38 PM
[latex]4u^2+28u+49=4u^2+14u+14u+49=2u(u+7)+7(u+7)=\\ \\=(u+7)(2u+7)[/latex]
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