The equation is .

(Add 3 to each side)

\ \                   (Square each side and eliminate the square roots)

                        (Evaluate powers: )

           (Subtract 1 from each side)

                        (Divide each side by 4) \ \

Check:

To check the solution substitute  in .

                           (Evaluate square roots: )

The solution is "True".

The solution is "True".