/ ___\ / ___\ | 1 I*\/ 3 | | 1 I*\/ 3 | (x - 1/2)*|x + - + -------|*|x + - - -------| \ 4 4 / \ 4 4 /
((x - 1/2)*(x + 1/4 + i*sqrt(3)/4))*(x + 1/4 - i*sqrt(3)/4)
3 -1 + 8*y --------- 8
(-1 + 8*y^3)/8
/ 2\ (-1 + 2*y)*\1 + 2*y + 4*y / --------------------------- 8
(-1 + 2*y)*(1 + 2*y + 4*y^2)/8