\"\"

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The expression is \"\".

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Product property of real numbers is  \"\"

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\"\"\"\"

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The FOIL method can be used to multiply the complex numbers.

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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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Multiply the complex numbers using FOIL method \ \

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\"\"

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\"\" \ \

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\"\"                                 (Multiply: \"\")

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\"\"                            (Distributive property: ac + bc = (a + b)c)

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\"\"                                       (Add: 4 + 1 = 5)\"\"

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\"\"                             (Substitute the imaginary unit value i = -1)

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\"\"                                       (Product of two same signs is positive)

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\"\"                                       (Commutative property: a + b = b + a)

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\"\"                                                    (Additive inverse property: \"\")\"\"

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\"\"      (Distributive property: \"\")

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\"\"                            (Multiply: \"\")

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\"\"                     (Substitute the imaginary unit value i = -1)

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\"\"                               (Product of two same signs is positive)\"\"

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The simplified expression is \"\".

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