2 / 2 \ \n - 2*m/
(n^2 - 2*m)^2 при m = -3
(n^2 - 2*m)^2
(n^2 - 2*(-3))^2
(6 + n^2)^2
(n^2 - 2.0*m)^2
4 2 2 n + 4*m - 4*m*n
2 / 2 \ \- n + 2*m/