Подстановка условия
[src]5*m^2 + (4*m^2)*n - 5*m*n^2 - (-5)*m^2 - 4*m^2*n - (-1)*(3*m)*n^2 при m = 1/2
5*m^2 + (4*m^2)*n - 5*m*n^2 - (-5)*m^2 - 4*m^2*n - (-1)*(3*m)*n^2
$$- -1 \cdot 3 m n^{2} + - 4 m^{2} n + - -1 \cdot 5 m^{2} + - 5 m n^{2} + 5 m^{2} + 4 m^{2} n$$
5*(1/2)^2 + (4*(1/2)^2)*n - 5*(1/2)*n^2 - (-5)*(1/2)^2 - 4*(1/2)^2*n - (-1)*(3*(1/2))*n^2
$$- -1 \cdot 3 (1/2) n^{2} + - 4 (1/2)^{2} n + - -1 \cdot 5 (1/2)^{2} + - 5 (1/2) n^{2} + 5 (1/2)^{2} + 4 (1/2)^{2} n$$
5*(1/2)^2 + (4*(1/2)^2)*n - 5/2*n^2 - (-5)*(1/2)^2 - 4*(1/2)^2*n - (-1)*(3/2)*n^2
$$- \frac{1}{2} \left(-1 \cdot 3 n^{2}\right) + - n + - \frac{5 n^{2}}{2} + \frac{4}{4} n + \frac{5}{4} - - \frac{5}{4}$$
$$- n^{2} + \frac{5}{2}$$