2 x - 3*x + 5
x^2 - 3*x + 5
2 5 + x - 3*x
5 + x^2 - 3*x
/ ____\ / ____\ | 3 I*\/ 11 | | 3 I*\/ 11 | |x + - - + --------|*|x + - - - --------| \ 2 2 / \ 2 2 /
(x - 3/2 + i*sqrt(11)/2)*(x - 3/2 - i*sqrt(11)/2)
5.0 + x^2 - 3.0*x
5 + x*(-3 + x)