/ _______________\ / _______________\ / _____________\ / _____________\ | / ___ | | / ___ | | / ___ | | / ___ | | / 1 3*\/ 5 | | / 1 3*\/ 5 | | / 1 3*\/ 5 | | / 1 3*\/ 5 | |x + I* / - - + ------- |*|x - I* / - - + ------- |*|x + / - + ------- |*|x - / - + ------- | \ \/ 2 2 / \ \/ 2 2 / \ \/ 2 2 / \ \/ 2 2 /
(((x + i*sqrt(-1/2 + 3*sqrt(5)/2))*(x - i*sqrt(-1/2 + 3*sqrt(5)/2)))*(x + sqrt(1/2 + 3*sqrt(5)/2)))*(x - sqrt(1/2 + 3*sqrt(5)/2))