3 2 x + x + x
x^3 + 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)
/ 2\ x*\1 + x + x /
x*(1 + x + x^2)
2 3 x + x + x
x + x^2 + x^3
x*(1 + x*(1 + x))