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The given expression is .

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Finding product using FOIL method:

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Foil method: 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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The word FOIL is an acronym for the four terms of the product.

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(Apply FOIL method)

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                                         (Multiply terms)

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                                                   (Subtract: )

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The product of is .

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