2 4*x + 6*x + 3
4*x^2 + 6*x + 3
/ ___\ / ___\ | 3 I*\/ 3 | | 3 I*\/ 3 | |x + - + -------|*|x + - - -------| \ 4 4 / \ 4 4 /
(x + 3/4 + i*sqrt(3)/4)*(x + 3/4 - i*sqrt(3)/4)
2 3 + 4*x + 6*x
3 + 4*x^2 + 6*x
3.0 + 4.0*x^2 + 6.0*x
3 + 2*x*(3 + 2*x)