/ ____________\ / ____________\ / _____________\ / _____________\ | / ____ | | / ____ | | / ____ | | / ____ | \x + I*\/ 4 + \/ 19 /*\x - I*\/ 4 + \/ 19 /*\x + \/ -4 + \/ 19 /*\x - \/ -4 + \/ 19 /
(((x + i*sqrt(4 + sqrt(19)))*(x - i*sqrt(4 + sqrt(19))))*(x + sqrt(-4 + sqrt(19))))*(x - sqrt(-4 + sqrt(19)))