/ ___\ / ___\
| 1 I*\/ 3 | | 1 I*\/ 3 |
1*(x + 0)*(x - 1)*|x + - + -------|*|x + - - -------|
\ 2 2 / \ 2 2 /
(((1*(x + 0))*(x - 1))*(x + (1/2 + i*sqrt(3)/2)))*(x + (1/2 - i*sqrt(3)/2))
/ 2\ -x*(-1 + x)*\1 + x + x /
-x*(-1 + x)*(1 + x + x^2)