$\"\"$

The expression is $\"\"$ .

Simplify the expression.

$\"\"$ (Original expression)

$\"\"$ (Rewrite the expression)

$\"\"$ (Cancel square and root terms)

$\"\"$ (Simplify)

Since there is no real roots, two imaginary roots are $\"\"$ and $\"\"$ . $\"\"$

The simplified expression is $\"\"$ .