$\"\"$

The expression is $\"\"$ .

Apply distributive property: $\"\"$ .

$\"\"$ (Distribute 2)

$\"\"$ (Apply associative property of multiplication)

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

$\"\"$ (Apply commutative property of multiplication)

$\"\"$ (Using distributive property)

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

$\"\"$

Simplified expression is $\"\"$ .