3 2 x - x + x
x^3 - x^2 + x
/ 2 \ x*\1 + x - x/
x*(1 + x^2 - x)
/ ___\ / ___\ | 1 I*\/ 3 | | 1 I*\/ 3 | x*|x + - - + -------|*|x + - - - -------| \ 2 2 / \ 2 2 /
(x*(x - 1/2 + i*sqrt(3)/2))*(x - 1/2 - i*sqrt(3)/2)
3 2 x + x - x
x + x^3 - x^2
x*(1 + x*(-1 + x))