2 3*x - 2*x + 1
3*x^2 - 2*x + 1
2 1 - 2*x + 3*x
1 - 2*x + 3*x^2
/ ___\ / ___\ | 1 I*\/ 2 | | 1 I*\/ 2 | |x + - - + -------|*|x + - - - -------| \ 3 3 / \ 3 3 /
(x - 1/3 + i*sqrt(2)/3)*(x - 1/3 - i*sqrt(2)/3)
1 + x*(-2 + 3*x)
1.0 + 3.0*x^2 - 2.0*x