2 - x + x - 3
-x^2 + x - 3
2 -3 + x - x
-3 + x - x^2
/ ____\ / ____\ | 1 I*\/ 11 | | 1 I*\/ 11 | |x + - - + --------|*|x + - - - --------| \ 2 2 / \ 2 2 /
(x - 1/2 + i*sqrt(11)/2)*(x - 1/2 - i*sqrt(11)/2)
-3.0 + x - x^2
-3 + x*(1 - x)