Question

Resolver: X2 + X = 12

Answer 1

RESOLUCIÓN :

$x^{2} +x=12 x^{2} +x-12=0 factorizar \left(x-3\right)\left(x+4\right)=0 x-3 = 0 \boxed{x=3}} x+4 =0 \boxed{x=-4}}$


RESPUESTA :

$\boxed{X1 =3 ; X2 = -4}}$