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posted by Taegan on Tuesday, August 31, 2010 at 1:20pm.

Factor by grouping: x to the third power +4x square-3x-12

Glen/Taegan, stop switching names.

x^3 + 4x^2 - 3x - 12. (x^3 + 4x^2) + (-3x -12) x^2 (x + 4) -3(x + 4) (x + 4)(x^2 -3)

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