$\"\"$

\

The expression is $\"\"$ .

\

Use conjugates to rationalize a denominator.

\

$\"\"$ (The conjugate of $\"\"$ )

\

$\"\"$

\

$\"\"$ (Apply square of sum property: $\"\"$ )

\

$\"\"$ (Evaluate powers: $\"\"$ )

\

$\"\"$ (Product property of square roots: $\"\"$ )

\

$\"\"$ (Subtract: $\"\"$ )

\

$\"\"$ (Apply distributive property: $\"\"$ )

\

$\"\"$ (Multiply: $\"\"$ )

\

$\"\"$ .

\

$\"\"$

\

The simplify expression is $\"\"$ .