Question

Решите уравнение пожалуйста☺️​

Answer 1

$8 - {5x}^{2} - 3x = 0 \\ - 8 + {5x}^{2} + 3x = 0 \\ {5x}^{2} + 3x - 8 = 0 \\ {5x}^{2} + 8x - 5x - 8 = 0 \\ x \times (5x + 8) - (5x + 8) = 0 \\ (5x + 8) \times (x - 1) = 0 \\ 5x + 8 = 0 \\ x - 1 = 0 \\ {x}^{1} = - \frac{8}{5} , {x}^{2} = 1$