5 3 c - c
c^5 - c^3
1*(c + 1)*(c + 0)*(c - 1)
((1*(c + 1))*(c + 0))*(c - 1)
3 c *(1 + c)*(-1 + c)
c^3*(1 + c)*(-1 + c)
3 / 2\ c *\-1 + c /
c^3*(-1 + c^2)