2 x - x + 3
x^2 - x + 3
2 3 + x - x
3 + x^2 - x
/ ____\ / ____\ | 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^2 - x
3 + x*(-1 + x)