Question 755302
Square root x - 5 = 3
     Square root x = 3 + 5
     Square root x = 8
                 x = 8^2
                 x = 64

Proof:
Square root x - 5 = 3
Square root 64 - 5 = 3
            8  - 5 = 3
                 3 = 3
Hope this helps
:-)