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

The given equation is $\"\"$ .

Distribute terms using distributive property: a (b $\"\"$ c) = ab $\"\"$ ac.

$\"\"$

Product of two different sings is negative.

$\"\"$

Distribute terms using distributive property: a (b $\"\"$ c) = ab $\"\"$ ac.

$\"\"$

Apply subtraction property of equality: If a = b then a $\"\"$ c = b $\"\"$ c.

Subtract $\"\"$ from each side.

$\"\"$

The value of $\"\"$ .