/ / ___\\ / / ___\\ / 2*n\ | | 1 I*\/ 3 || | | 1 I*\/ 3 || 1*|m - ---|*|m - n*|- - - -------||*|m - n*|- - + -------|| \ 5 / \ \ 5 5 // \ \ 5 5 //
((1*(m - 2*n/5))*(m - n*(-1/5 - i*sqrt(3)/5)))*(m - n*(-1/5 + i*sqrt(3)/5))
/ 2 2 \ (-2*n + 5*m)*\4*n + 25*m + 10*m*n/
(-2*n + 5*m)*(4*n^2 + 25*m^2 + 10*m*n)