Question

factorizar 3x2+15x=0

Answer 1

Hola.

Tenemos

$3 x^{2} +15x = 0$   

$3x(x+5) = 0$

$3x=0$
$x = 0/3$
$x = 0$

$x +5 = 0$
$x = -5$


R.-   x = 0 ;  x = -5

Un cordial saludo