\"\"

\

The expression is \"\".

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

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Substitute \"\", \"\", \"\" and \"\" in the expression.

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\"\".

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                              \"\"      (Multiply)

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

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                              \"\"                         (Multiply)

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

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                              \"\"                                    (Multiply)

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

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\"\"

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\"\".