\"\"

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The expression is \"\".

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The values are \"\" and \"\".

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Simplify the expression.

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\"\"  (Substitute \"\" and \"\")

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                          \"\"           (Multiply)

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                          \"\"                 (Add: \"\")

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                         \"\"                    (Substitute: \"\")

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                         \"\"                       (Multiply)

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

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Therefore, the value of the expression is \"\".

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\"\"

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\"\". 

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