3 x + 27
x^3 + 27
/ ___\ / ___\ | 3 3*I*\/ 3 | | 3 3*I*\/ 3 | (x + 3)*|x + - - + ---------|*|x + - - - ---------| \ 2 2 / \ 2 2 /
((x + 3)*(x - 3/2 + 3*i*sqrt(3)/2))*(x - 3/2 - 3*i*sqrt(3)/2)
27.0 + x^3
/ 2 \ (3 + x)*\9 + x - 3*x/
(3 + x)*(9 + x^2 - 3*x)