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