Respuesta :

Answer:

A. x = 11

D. x = –11

Step-by-step explanation:

[tex] {x}^{2} = 121 \\ \\ x = \pm \sqrt{121} \\ \\ x = \pm \: 11 \\ x = 11 \: \: or \: \: x = - 11 \\ \\ [/tex]