4 16*x - 81
16*x^4 - 1*81
/ 3*I\ / 3*I\ 1*(x + 3/2)*(x - 3/2)*|x + ---|*|x - ---| \ 2 / \ 2 /
(((1*(x + 3/2))*(x - 3/2))*(x + 3*i/2))*(x - 3*i/2)
-81.0 + 16.0*x^4
/ 2\ (-3 + 2*x)*(3 + 2*x)*\9 + 4*x /
(-3 + 2*x)*(3 + 2*x)*(9 + 4*x^2)