2 2*x - 3*x + 5
2*x^2 - 3*x + 5
/ ____\ / ____\ | 3 I*\/ 31 | | 3 I*\/ 31 | |x + - - + --------|*|x + - - - --------| \ 4 4 / \ 4 4 /
(x - 3/4 + i*sqrt(31)/4)*(x - 3/4 - i*sqrt(31)/4)
2 5 - 3*x + 2*x
5 - 3*x + 2*x^2
5.0 + 2.0*x^2 - 3.0*x
5 + x*(-3 + 2*x)