Respuesta :

Hi how u doin ?

[tex] {x}^{2} + 4 = 4[/tex]

Subtract both sides 4

[tex] {x}^{2} + 4 - 4 = 4 - 4[/tex]

[tex] {x}^{2} = 0[/tex]

[tex]x = 0[/tex]

There's just one solution .

Have a great day ❤