$\"\"$

The expression is $\"\"$ .

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

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

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

$\"\"$ (Distributive property: $\"\"$ )

$\"\"$ (Add: $\"\"$ ) $\"\"$

The terms are $\"\"$ .

The like terms are $\"\"$ .

The coefficients are $\"\"$ .