\"\"

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The expression is \"\".

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Simplify the expression.

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\"\"                          (Original expression)

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\"\"            (Multiply and divide with \"\")

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\"\"        (Difference of squares property: \"\")

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FOIL method:

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The product of two binomials is the sum of the products of the first terms, the outer terms, the inner terms and the last terms.

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\"\"

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\"\"      (Multiply)

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\"\"         (Substitute: \"\")

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\"\"                 (Combine like terms)

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The simplified expression is \"\".

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\"\"

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\"\".