Question

СРООООООООЧНО. решите уравнение m^2+11=11-m

Answer 1

${m}^{2} + 11 = 11 - m \\ {m}^{2} = - m \\ {m}^{2} + m = 0 \\ m(m + 1) = 0 \\m = 0 \\ m + 1 = 0 \\ m = 0 \\ m = - 1$