Respuesta :

kyawcpyae

Answer:

D 1 and -1

Step-by-step explanation:

[tex]8 {x}^{2} + 16x + 8 = 0[/tex]

divided by 8

[tex] {x}^{2} + 2x + 1 = 0[/tex]

(x+1)(x+1)=0

so x=+-1