Пожалуйста помогите х2+18х+56=0
0 " alt=" {x}^{2} + 18x + 56 = 0 \\ d = {18}^{2} - 4 \times 1 \times 56 = 324 - 224 = 100 > 0 " align="absmiddle" class="latex-formula">
Ответ: Х1=-4; Х2=-14
0 " alt=" {x}^{2} + 18x + 56 = 0 \\ d = {18}^{2} - 4 \times 1 \times 56 = 324 - 224 = 100 > 0 " align="absmiddle" class="latex-formula">