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