Respuesta :

mathstudent55

Answer:

2.    [tex] (x - 4)^2 = 23 [/tex]

Step-by-step explanation:

[tex] x^2 - 8x - 7 = 0 [/tex]

[tex] x^2 - 8x ~~~~~ = 7 [/tex]

[tex] x^2 - 8x + 16 = 7 + 16 [/tex]

[tex] (x - 4)^2 = 23 [/tex]