/ ______________\ / ______________\ / _____________\ / _____________\ | / ___ | | / ___ | | / ___ | | / ___ | \x + I*\/ -4 + 2*\/ 5 /*\x - I*\/ -4 + 2*\/ 5 /*\x + \/ 4 + 2*\/ 5 /*\x - \/ 4 + 2*\/ 5 /
(((x + i*sqrt(-4 + 2*sqrt(5)))*(x - i*sqrt(-4 + 2*sqrt(5))))*(x + sqrt(4 + 2*sqrt(5))))*(x - sqrt(4 + 2*sqrt(5)))