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What is the sum of (7 plus 3i) plus (8 plus 9i)?

Anonymous

∙ 9y ago

Updated: 4/28/2022

(7 + 3i) + (8 + 9i) = (7 + 8) + (3i + 9i) = (7 + 8) + (3 + 9)i = 15 + 12i

Which can also be written as: 15 + 12i = 3(5 + 4i).

Wiki User

∙ 9y ago

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