Answer:
The middle choice.
Step-by-step explanation:
Comment
You are essentially taking the square root of both sides of the equation. When you have done that, you get
√(x - 4)^2 = √36
x - 4 = +/- √36 Add 4 to both sides
x-4+4=4+ +/- √36 Combine
x = 4 +/- √36
