Question

Please can anyone help me on the steps as to how to solve this problem: (a-2)^2=8

Answer 1

did you try square root?

Answer 2

I think the steps are as follows

Answer 3

a-2 = 2 at the square root of 2
a-2 = -2 at the square root of 2

Answer 4

a= 2+2 at the square root of 2 or
a-2 = -2 at the square root of 2
final answer
is this correct?