3 b + 729
b^3 + 729
/ ___\ / ___\ | 9 9*I*\/ 3 | | 9 9*I*\/ 3 | 1*(b + 9)*|b + - - + ---------|*|b + - - - ---------| \ 2 2 / \ 2 2 /
((1*(b + 9))*(b - (9/2 + 9*i*sqrt(3)/2)))*(b - (9/2 - 9*i*sqrt(3)/2))
729.0 + b^3
/ 2 \ (9 + b)*\81 + b - 9*b/
(9 + b)*(81 + b^2 - 9*b)