3 27 + b
27 + b^3
/ ___\ / ___\ | 3 3*I*\/ 3 | | 3 3*I*\/ 3 | 1*(b + 3)*|b + - - + ---------|*|b + - - - ---------| \ 2 2 / \ 2 2 /
((1*(b + 3))*(b - (3/2 + 3*i*sqrt(3)/2)))*(b - (3/2 - 3*i*sqrt(3)/2))
/ 2 \ (3 + b)*\9 + b - 3*b/
(3 + b)*(9 + b^2 - 3*b)
27.0 + b^3