/ 4 ___ /atan(2)\ 4 ___ /atan(2)\\ / 4 ___ /atan(2)\ 4 ___ /atan(2)\\ / 4 ___ /atan(2)\ 4 ___ /atan(2)\\ / 4 ___ /atan(2)\ 4 ___ /atan(2)\\ |x + \/ 5 *cos|-------| + I*\/ 5 *sin|-------||*|x + \/ 5 *cos|-------| - I*\/ 5 *sin|-------||*|x + - \/ 5 *cos|-------| + I*\/ 5 *sin|-------||*|x + - \/ 5 *cos|-------| - I*\/ 5 *sin|-------|| \ \ 2 / \ 2 // \ \ 2 / \ 2 // \ \ 2 / \ 2 // \ \ 2 / \ 2 //
(((x + 5^(1/4)*cos(atan(2)/2) + i*5^(1/4)*sin(atan(2)/2))*(x + 5^(1/4)*cos(atan(2)/2) - i*5^(1/4)*sin(atan(2)/2)))*(x - 5^(1/4)*cos(atan(2)/2) + i*5^(1/4)*sin(atan(2)/2)))*(x - 5^(1/4)*cos(atan(2)/2) - i*5^(1/4)*sin(atan(2)/2))