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posted by chekosm Saturday, September 19, 2009 at 2:36am.

how to factor 8x^3+27?

8x^3+27=0 8x^3=-27 x^3=-(27/8) x=-3/2 proof 8(-3/2)^3=27=0 8(-27/8)+27=0 -27+27=0 0=0

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