\"\"

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The expression is  \"\".

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\"\"                        (Original Expression) \ \

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\"\" (Multipliy and divide by conjugate of \"\")

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\"\"(Apply distributive property: \"\") 

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\"\"         (Product of sum and difference property:\"\")

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\"\"                (Evaluate powers: \"\" and\"\" )

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\"\"                (Subtract: \"\")

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\"\".

\

Therefore, the simplified expression is \"\".\"\"

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\"\".