Question

6x²+x-2=0 resolva essa equacao de segundo grau​

Answer 1

Resposta:

$6 {x}^{2} + x - 2 = 0 \\ 6 {x}^{2} + 4x - 3x - 2 = 0 \\ 2x \times (3x + 2) - (3x + 2) = 0 \\ (3x + 2) \times (2x - 1) = 0 \\ 3x + 2 = 0 \\ 2x - 1 = 0 \\ \\ x = - \frac{2}{3} \\ \\ x = \frac{1}{2} ou \: 0.5$