$\"\"$

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The expression is $\"\"$

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$\"\"$ (Substitute $\"\"$ )

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$\"\"$ (Multiply and Substitute $\"\"$ )

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$\"\"$ (Multiply and Substitute $\"\"$ )

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$\"\"$ (Multiply and Substitute $\"\"$ )

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$\"\"$

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$\"\"$ (Use commutative property)

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$\"\"$ (Subtract and substitute $\"\"$ )

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$\"\"$ (Subtract and substitute $\"\"$ )

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$\"\"$

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