Question

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

Answer 1

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