/ ___\ / ___\ | 1 I*\/ 3 | | 1 I*\/ 3 | 1*(c + 1)*(c + 0)*|c + - - + -------|*|c + - - - -------| \ 2 2 / \ 2 2 /
(((1*(c + 1))*(c + 0))*(c - (1/2 + i*sqrt(3)/2)))*(c - (1/2 - i*sqrt(3)/2))
6 / 3\ c *\1 + c /
c^6*(1 + c^3)
6 / 2 \ c *(1 + c)*\1 + c - c/
c^6*(1 + c)*(1 + c^2 - c)