$\"\"$

\

The expression is $\"\"$ .

\

\

Apply distributive property: $\"\"$ .

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$\"\"$ (Distribute -w)

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$\"\"$ (Commutative property of multiplication)

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$\"\"$ (Associative property of multiplication)

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$\"\"$ (Product of different signs is negative)

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

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$\"\"$

\ The simplified expression is

\"\"

.