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