2 3*x - 5*x + 4
3*x^2 - 5*x + 4
2 4 - 5*x + 3*x
4 - 5*x + 3*x^2
/ ____\ / ____\ | 5 I*\/ 23 | | 5 I*\/ 23 | |x + - - + --------|*|x + - - - --------| \ 6 6 / \ 6 6 /
(x - 5/6 + i*sqrt(23)/6)*(x - 5/6 - i*sqrt(23)/6)
4 + x*(-5 + 3*x)
4.0 + 3.0*x^2 - 5.0*x