ANSWER ALL 7, 8 show work!

Algebra
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Mar 9th, 2015

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9d^2 - 49 = (3d)^2 - 7^2 = (3d+7)(3d-7)

x^2 - 24x + 144 = x^2 - 2*24x + 12^2 = (x-12)^2

Mar 9th, 2015

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Mar 10th, 2015

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