The equation is $\"image\"$ .

Solve the equation.

Square on each side the equation and simplify.

$\"image\"$

Difference of squares property: $\"image\"$ and solve.

$\"image\"$

The solution is $\"image\"$

Step 2: \ \ Check the solution for $\"image\"$ -values.

Substitute $\"image\"$ in the $\"image\"$ .

$\"image\"$

Since $\"image\"$ does not satisfied the equation.

Substitute $\"image\"$ in the $\"image\"$ .

$\"image\"$

Since $\"image\"$ is satisfied the equation.

Solution:

The solution set is $\"image\"$ .