Question

HELP PLEASE LOL!!!!!!!!!

Answer 1

Answer:

$x - 8$

Step-by-step explanation:

Complete the square.

${x}^{2} - 16x + 64 = 0$

${x}^{2} - 16x = - 64$

${x}^{2} - 16x + 64 = - 64 + 64$

$(x - 8) {}^{2} = 0$

$x - 8 = 0$

$x - 8$

Answer 2

It’s the square root of:

64 - 16x + x^2 = (-8 + x)