3 2 x - 3*x + x
x^3 - 3*x^2 + x
/ ___\ / ___\ | 3 \/ 5 | | 3 \/ 5 | 1*(x + 0)*|x + - - + -----|*|x + - - - -----| \ 2 2 / \ 2 2 /
((1*(x + 0))*(x - (3/2 + sqrt(5)/2)))*(x - (3/2 - sqrt(5)/2))
/ 2 \ x*\1 + x - 3*x/
x*(1 + x^2 - 3*x)
x + x^3 - 3.0*x^2