Question

$$x=-3x^{2}+2x7=0$$

Evaluate (complex solution)

$x=2x_{7}-3x^{2}\text{ and }2x_{7}-3x^{2}=0$

Solve for x

$x=0$
$x_{7}=0$

Solve for x_7

$x_{7}=0$
$x=0$