Question

Помогите решить уравнение!!!
4-7x-2x^2

Answer 1

$- 2 {x}^{2} - 7x + 4 = \ = - 2 {x}^{2} - 7x + 4 = \ = - 2 {x}^{2} + x - 8x + 4 = \ = - x(2x - 1) - x(2x - 1) = \ = - (2x - 1)(x + 4)$