4 49 - m
49 - m^4
/ ___\ / ___\ / ___\ / ___\ 1*\m + \/ 7 /*\m - \/ 7 /*\m + I*\/ 7 /*\m - I*\/ 7 /
(((1*(m + sqrt(7)))*(m - sqrt(7)))*(m + i*sqrt(7)))*(m - i*sqrt(7))
49.0 - m^4
/ 2\ / 2\ -\-7 + m /*\7 + m /
-(-7 + m^2)*(7 + m^2)