Select the correct answer.
Which equation is equivalent to the given equation?

[tex]x^{2}[/tex] - 6x = 8x^2 - 6x = 8

A. (x - 6)^2 = 44(x - 6)^2 = 44
B. (x - 6)^2 = 20(x - 6)^2 = 20
C. (x - 3)^2 = 14(x - 3)^2 = 14
D. (x - 3)^2 = 17(x - 3)^2 = 17