Question

Ayuda me

x²+2x= 0
Encontrar x:​

Answer 1

Oie, Td Bom?!

$x {}^{2} + 2x = 0$

$x \: . \: (x + 2) = 0$

______________________________________________

$x = 0$

$x + 2 = 0⇒x = - 2$

______________________________________________

$S= \left \{ x_{1} = - 2 \: , \: x_{2} = 0 \right \}$

Att. Makaveli1996