2 - 3*x + 4*x + 3
-3*x^2 + 4*x + 3
2 3 - 3*x + 4*x
3 - 3*x^2 + 4*x
/ ____\ / ____\ | 2 \/ 13 | | 2 \/ 13 | |x + - - + ------|*|x + - - - ------| \ 3 3 / \ 3 3 /
(x - 2/3 + sqrt(13)/3)*(x - 2/3 - sqrt(13)/3)
3.0 + 4.0*x - 3.0*x^2
3 + x*(4 - 3*x)