2 x - 2*x + 3
x^2 - 2*x + 3
/ ___\ / ___\ \x + -1 + I*\/ 2 /*\x + -1 - I*\/ 2 /
(x - 1 + i*sqrt(2))*(x - 1 - i*sqrt(2))
2 3 + x - 2*x
3 + x^2 - 2*x
3.0 + x^2 - 2.0*x
3 + x*(-2 + x)