Question

$x2 - 4 = 0$
​

Answer 1

Respuesta:

x = 2

x = -2

Explicación paso a paso:

$x^2-4 = 0$

factorizamos

(x - 2) (x + 2) = 0

Buscamos los valores de "x"

Valor 1

x -2 = 0

x = 0 + 2

x = 2

Valor 2

x + 2 = 0

x = 0 -2

x = -2