Question

Помогите!!!!!!!!!!!!!!!!!!!!!​

Answer 1

Решение:

$x {}^{2} - 24 = - 5x \\ \\ x {}^{2} + 5x - 24 = 0 \\ \\ d = 5 {}^{2} - 4 \times 1 \times ( - 24) = 25 + 96 = 121 \\ \\ x1 = \frac{ - 5 - 11}{2} = - \frac{16}{2} = - 8 \\ \\ x2 = \frac{ - 5 + 11}{2} = \frac{6}{2} = 3$

Ответ: -8