$\"\"$

The equation is $\"\"$ .

Consider $\"\"$ .

Subtract 36 from each side.

$\"\"$

Since the given equation $\"\"$ is a radical equation, once recheck the solution by back substitution.

Substitute $\"\"$ in $\"\"$ .

$\"\"$

Since the above statement is true, $\"\"$ is a solution of $\"\"$ .

$\"\"$

The solution is $\"\"$ .