$\"\"$

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The expression is $\"\"$ .

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$\"\"$ (Factor into squares where possible)

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Apply Product property of radicals: $\"n$ .

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$\"\"$

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$\"\"$ (Evaluate powers: $\"\"$ )

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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The simplified expression is $\"\"$ .