$\"\"$ $\"\"$

The expression is $\"\"$ .

Rearrange the terms using the distributive property: $\"\"$ .

$\"\"$ (Distribute 2)

Apply associative property of multiplication: $\"\"$ .

$\"\"$

$\"\"$ (Multiply: $\"\"$ )

$\"\"$ (Apply Commutative property of addition: a + b = b + a)

$\"\"$ (Apply distributive property: ab + ac = (b + c)a)

$\"\"$ (Add: 8 + 1 = 9) $\"\"$

The simplified expression is $\"\"$