Question

solve this equation and also verify

Answer 1

$\frac{3 - {x}^{2} }{6 + {x}^{2} } = \frac{ - 3}{4}$
$12 - 4 {x}^{2} = - 18 -3 {x}^{2}$
$12 + 18 = - 3 {x}^{2} + 4 {x}^{2}$
$30 = {x}^{2}$
$\sqrt{30} = x$

x=±√30