\"\"

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The rational expression is \"\".

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Simplify the rational expression.

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\"\"              (Write division expression)

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                          \"\"        (To divide, multiply by the reciprocal)

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                         \"\"                   (Simplify)

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                        \"\"                              (Combine like terms)

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                       \"\"                                       (Multiply)

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\"\".

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

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The expression is \"\".