Find the product and fill in the blanks to write in standard complex number form. (2 + 4)(7 - 3) =____+____i

asked Jul 2, 2022 169k views

21 votes

Find the product and fill in the blanks to write in standard complex number form.

(2 + 4)(7 - 3) =____+____i

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6 votes

Recall that i represents the square root of -1, so by squaring it we get -1.

(2 + 4i)(7 - 3i)

= 14 - 6i + 28i + 12
= 26 + 22i

Skyboyer answered Jul 8, 2022

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