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4x2 plus 28x plus 49

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โˆ™ 2010-05-11 14:52:57

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4x2 + 28x + 49 = 4x2 + 14x + 14x + 49 = 2x(2x + 7) + 7(2x + 7) = (2x + 7)(2x + 7) or (2x + 7)2

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โˆ™ 2010-05-11 14:52:57
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Algebra

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