$\"\"$

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The expression is $\"\"$ .

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Find the 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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$\"\"$ (Factors)

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$\"\"$ (Cancel common terms)

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$\"\"$ (Multiply)

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$\"\"$ .

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

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The rational expression is $\"\"$ .