2 3*x + 2*x - 3
3*x^2 + 2*x - 3
2 -3 + 2*x + 3*x
-3 + 2*x + 3*x^2
/ ____\ / ____\ | 1 \/ 10 | | 1 \/ 10 | |x + - - ------|*|x + - + ------| \ 3 3 / \ 3 3 /
(x + 1/3 - sqrt(10)/3)*(x + 1/3 + sqrt(10)/3)
-3.0 + 2.0*x + 3.0*x^2
-3 + x*(2 + 3*x)