Asked by monet

simplify

(2x)^3 + 2^3 x

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