Question

ПОМОГИТЕ ПОЖАЛУЙСТА!! СРОЧНО!!

Answer 1

Ответ:

$12 {x}^{2} + x - 6 = 0 \\ d = 17 \\ x1 = \frac{ - 1 + 17}{24} = \frac{16}{24} = \frac{2}{3} \\ x2 = \frac{ - 1 - 17}{24} = \frac{ - 18}{24} = \frac{ - 3}{4} \\ 9x2 - 4x1 = 9 \times \frac{ - 3}{4} - 4 \times \frac{2}{3} = \frac{ - 27}{4} - \frac{8}{3} = \frac{ - 113}{12}$