$\"\"$

The expression is $\"\"$ .

The terms are $\"\"$ .

The like terms are $\"\"$ .

The coefficients are $\"\"$ .

The constant terms are $\"\"$ . $\"\"$

$\"\"$ (Write the expression)

$\"\"$ (Apply commutative property of addition: $\"\"$ )

$\"\"$ (Combine like terms)

The simplified expression is $\"\"$ . $\"\"$

Terms : $\"\"$

Like terms : $\"\"$

Coefficients : $\"\"$

Constant terms : $\"\"$

The simplified expression is $\"\"$ .