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posted by monet on Friday, February 1, 2013 at 9:25pm.

simplify (2x)^3 + 2^3 x

cube everything in the parenthesis and you get 8x^3 cube the 2 and you get 8 so you you get 8x^3 + 8x factor out 8x 8x (x^2 +1)

by the way you cant factor x^2+ 1 with imaginary i's i believe

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