/ 3 ___\ / 3 ___ 5/6\ / 3 ___ 5/6\
\x - 2*\/ 3 /*\x + \/ 3 + I*3 /*\x + \/ 3 - I*3 /
$$\left(x - 2 \sqrt[3]{3}\right) \left(x + \left(\sqrt[3]{3} + 3^{\frac{5}{6}} i\right)\right) \left(x + \left(\sqrt[3]{3} - 3^{\frac{5}{6}} i\right)\right)$$
((x - 2*3^(1/3))*(x + 3^(1/3) + i*3^(5/6)))*(x + 3^(1/3) - i*3^(5/6))