Answer:
We know the square root of 36 is 6.
As a result, the total value inside the bracket should give us 6.
Thus, 13 - 7 does gives us 6.
So, x = 13
Or
(x – 7)^2 = 36,
Square root both sides to get rid of the square symbol
Now:
(x - 7) = 6
+7 both sides
x= 13
Hope this helps!