$\"distributive$ $\"\"$

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The expression is “ $\"\"$ ”

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$\"\"$ (Distributive property: $\"\"$ ) $\"\"$

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

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

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

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The simplified expression is 42.