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