Question

Решите уравнение..........................

Answer 1

$x^{2} +7x=0$
$x(x+7)=0$
$x1=0; x2=-7$

$8 y^{2}-3y=0$
$y(8y-3)=0$
$y1=0$
$8y-3=0$
$8y=3$
$y= \frac{3}{8}$