Question

Решите уравнение 2x^2=-x+3

Answer 1

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