Question

calculati      
 3x²+7x+x=0

Answer 1

$3x^{2} +8x=0$
$x(3x+8)=0$
$x=0$
$3x+8=0$
$3x=-8$
$x=- \frac{8}{3}$

x∈{$- \frac{8}{3}$;0}