$\"\"$

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The rational expression is $\"\"$ .

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Find the difference.

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LCM of $\"\"$ is $\"\"$ .

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$\"\"$

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$\"\"$ (Distributive property: $\"\"$ )

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$\"\"$ (Combine like terms)

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$\"\"$ .

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Therefore, the difference of the rational expression is $\"\"$ . $\"\"$

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$\"\"$ .