Question

$\frac{3x {}^{2} - 5x - 2 }{2 - x} = 0$​

Answer 1

Объяснение:

$\frac{3 {x}^{2} - 5x - 2 }{2 - x} = 0 \\ 3 {x}^{2} - 5x - 2 = 0 \\ d = (5 {)}^{2} - 4 \times 3 \times ( - 2) = 25 + 24 = 49 \\ \\ x1 = \frac{5 + 7}{6} = \frac{12}{6} = 2 \\ x2 = \frac{5 - 7}{6} = \frac{ - 2}{6} = - \frac{1}{3}$