3 216 - y
216 - y^3
/ ___\ / ___\ 1*(x - 6)*\x + 3 + 3*I*\/ 3 /*\x + 3 - 3*I*\/ 3 /
((1*(x - 6))*(x + (3 + 3*i*sqrt(3))))*(x + (3 - 3*i*sqrt(3)))
/ 2 \ -(-6 + y)*\36 + y + 6*y/
-(-6 + y)*(36 + y^2 + 6*y)
216.0 - y^3