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

The expression is $\"\"$ .

$\"\"$ (Evaluate powers: $\"\"$ )

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

Apply subtraction property of equality: Subtract 6 from each side.

$\"\"$

$\"\"$ (Apply additive inverse property: $\"\"$ )

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

The value of the expression is $\"\"$ .