/ ___\ / ___\ / ___ \ / ___\ 1*(x + 2*I)*(x - 2*I)*\x + I + \/ 3 /*\x + -I + \/ 3 /*\x + - \/ 3 + I/*\x + -I - \/ 3 /
(((((1*(x + 2*i))*(x - 2*i))*(x + (i + sqrt(3))))*(x - (i + sqrt(3))))*(x - (sqrt(3) + i)))*(x - (i - sqrt(3)))
/ 2\ / 4 2\ \4 + x /*\16 + x - 4*x /
(4 + x^2)*(16 + x^4 - 4*x^2)