Solve the equation.
Therefore, the only solution is
Step 1 :First, we note that
Step 2 :Then, we simplify the equation by moving
Step 3 :Next, we square both sides of the equation to eliminate the square root, which gives
Step 4 :Rearranging the equation gives
Step 5 :Then, we factor the quadratic equation, which gives
Step 6 :Setting each factor equal to zero gives the solutions
Step 7 :However, we note that
Step 8 :Therefore, the only solution is