2 3*x + 2*x + 5
3*x^2 + 2*x + 5
2 5 + 2*x + 3*x
5 + 2*x + 3*x^2
/ ____\ / ____\ | 1 I*\/ 14 | | 1 I*\/ 14 | |x + - + --------|*|x + - - --------| \ 3 3 / \ 3 3 /
(x + 1/3 + i*sqrt(14)/3)*(x + 1/3 - i*sqrt(14)/3)
5.0 + 2.0*x + 3.0*x^2
5 + x*(2 + 3*x)