2 x - 3*x - 2
x - 3*x^2 - 2
2 -2 + x - 3*x
-2 + x - 3*x^2
/ ____\ / ____\ | 1 I*\/ 23 | | 1 I*\/ 23 | |x + - - + --------|*|x + - - - --------| \ 6 6 / \ 6 6 /
(x - 1/6 + i*sqrt(23)/6)*(x - 1/6 - i*sqrt(23)/6)
-2.0 + x - 3.0*x^2
-2 + x*(1 - 3*x)