3 / 2 \ 2*x + 9 - (x + 1)*\x - x + 1/
2*x^3 + 9 - (x + 1)*(x^2 - x + 1)
/ ___\ / ___\ 1*(x + 2)*\x + -1 + I*\/ 3 /*\x + -1 - I*\/ 3 /
((1*(x + 2))*(x - (1 + i*sqrt(3))))*(x - (1 - i*sqrt(3)))
9.0 + 2.0*x^3 - (1.0 + x)*(1.0 + x^2 - x)
9.0 + 2.0*x^3 - (1.0 + x)*(1.0 + x^2 - x)
/ 2 \ (2 + x)*\4 + x - 2*x/
(2 + x)*(4 + x^2 - 2*x)