$\"\"$

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The expression is $\"\"$ .

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Multiply by $\"\"$ the reciprocal of the divisor $\"\"$ .

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$\"\"$

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Apply formula: $\"\"$ .

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$\"\"$

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$\"\"$ $\"\"$

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Factor the denominator $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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The simplified expression is $\"\"$ .