$\"\"$

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The expression is $\"\"$ .

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Simplify the expression.

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$\"\"$ (Original expression)

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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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$\"\"$ (Foil method)

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$\"\"$ (Multiply)

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$\"\"$ (Substitute: $\"\"$ )

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$\"\"$ (Add)

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$\"\"$ (Foil method)

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$\"\"$ (Multiply)

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$\"\"$ (Substitute: $\"\"$ )

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$\"\"$ (Add)

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The simplified expression is $\"\"$ .

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$\"\"$

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$\"\"$ .