3 x - 3*x + 2
x^3 - 3*x + 2
1*(x + 2)*(x - 1)
(1*(x + 2))*(x - 1)
2 (-1 + x) *(2 + x)
(-1 + x)^2*(2 + x)
2.0 + x^3 - 3.0*x