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 + x*(1 + x)
3.0 + x + x^2