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