$\"\"$

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The expression is $\"\"$ .

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Zero product property: For any non zero number a, $\"\"$ .

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$\"\"$ (Apply zero product property: $\"\"$ )

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$\"\"$ (Apply negative exponent property: $\"\"$ )

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$\"\"$ (Apply negative exponent property: $\"\"$ )

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$\"\"$

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The simplify expression is $\"\"$ .