$\"\"$

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The expression is $\"\"$ .

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Simplify the expression.

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$\"\"$ (Original expression) \ \

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$\"\"$ (Write as a fraction)

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$\"\"$ (Apply standard division form: $\"\"$ )

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$\"\"$ (Factorize the terms) \ \

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$\"\"$ (Cancel common terms)

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$\"\"$ .

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$\"\"$

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$\"\"$ .