Answer:
[tex]x - 8[/tex]
Step-by-step explanation:
Complete the square.
[tex] {x}^{2} - 16x + 64 = 0[/tex]
[tex] {x}^{2} - 16x = - 64[/tex]
[tex] {x}^{2} - 16x + 64 = - 64 + 64[/tex]
[tex](x - 8) {}^{2} = 0[/tex]
[tex]x - 8 = 0[/tex]
[tex]x - 8[/tex]
