$\"\"$

The expression is $\"\"$ .

Quadratic portion is $\"\"$ .

Write the quadratic portion as a sum or difference of two squares by completing the squares.

Consider $\"\"$ .

To change the expression into a perfect square trinomial add and subtract $\"\"$ to the expression.

Here x coefficient = 4.

So, $\"\"$ .

Add and subtract $\"\"$ to the expression.

$\"\"$

Thus, the expression $\"\"$ can be written as $\"\"$ .

$\"\"$

The expression is $\"\"$ .