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