$\"\"$

\

The trinomial expression is $\"\"$ .

\

1) The first term is perfect square: $\"\"$ .

\

2) The last term is perfect square: $\"\"$ .

\

3) The middle term equal to: $\"\"$ .

\

$\"\"$ is a perfect square trinomial.

\

Then write the expression in the form: $\"\"$ .

\

$\"\"$

\

$\"\"$ (The perfect square: $\"\"$ ) $\"\"$

\

The solution is $\"\"$ .