Respuesta :

Answer:

a) [tex](x-4)^2=25[/tex]

Step-by-step explanation:

[tex](x^2-8x+16)=9+16\\ (x)^2-2*x*4+(4)^2=25\\ (x-4)^2=25\\x-4=5\\x=5+4\\x=9[/tex]

Op 1 is ur right answer