\"\"\"\"

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The expression is \"\"

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Using distributive property multiply the factors: \"\".)

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\"\"

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\"\"      (Multiply: \"\")

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\"\"             (Multiply: \"\")\"\"

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\"\"             (Apply Commutative property of addition:  \"\").

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\"\"           (Apply Distributive property:  \"\").

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\"\"                  (Add: 8 + 3= 11)

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\"\"                                (Subtract: 20 - 12 = 8)

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\"\"

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The simplified expression is \"\".

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