complete the square...

Question

x^2-16x+4=0

Answer 1

x^2 - 16x + 4 = 0

x^2 - 16x = -4

(-16^2)/4 = 256/4 = 64

x^2 - 16x + 64 = -4 + 64
x^2 - 16x + 64 = 60
(x - 8)^2 = 60