\"\"

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The expression is \"\".

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Simplify the expression.

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\"\"         (Factors)

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              \"\"       (Rewrite \"\" as \"\")

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              \"\"                   (Divide out common factors)

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\"\".

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Therefore, the simplified expression is \"\".

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Find excluded value for \"\".

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\"\"                                   (The denominator can not be zero)

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\"\"                         (Factors)

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\"\" and \"\"               (Zero product property)

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\"\" and \"\"                       (Simplify)

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Therefore, the excluded value is \"\" or \"\".\"\"

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The simplified expression is \"\".

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The excluded value is \"\" or \"\".