Question

7x² + 6 + 2 = 0 tô com dúvida

Answer 1

Resposta:

$7x^{2} +6+2=0$

$7x^{2} +8=0$

$7x^{2} =-8$

$\frac{7x^{2} }{7} =\frac{-8}{7}$

$x^{2} =-\frac{8}{7}$