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