Question

Помогите пожалуйста

Answer 1

Ответ:

$x { }^{2} - 18x + 56 = 0 \\ x1 + x2 = 18 \\ x1 \times x2 = 56 \\ x1 = 4 \\ x2 = 14 \\ x {}^{2} - 11x - 26 = 0 \\ x1 + x2 = 11 \\ x1 \times x2 = - 26 \\ x1 = - 2 \\ x2 = 13$