/ 2 \ (c - 2)*\c - 2*c + 4/
(c - 1*2)*(c^2 - 2*c + 4)
/ ___\ / ___\ 1*(c - 2)*\c + -1 + I*\/ 3 /*\c + -1 - I*\/ 3 /
((1*(c - 2))*(c - (1 + i*sqrt(3))))*(c - (1 - i*sqrt(3)))
(-2.0 + c)*(4.0 + c^2 - 2.0*c)
3 2 -8 + c - 4*c + 8*c
-8 + c^3 - 4*c^2 + 8*c