Mathematics, 14.07.2019 17:30, vale2652

I=\sqrt{-1}i= −1 i, equals, square root of, minus, 1, end square root, what is the sum (7+3i)+(-8+9i)(7+3i)+(−8+9i)left parenthesis, 7, plus, 3, i, right parenthesis, plus, left parenthesis, minus, 8, plus, 9, i, right parenthesis?

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I=\sqrt{-1}i= −1 i, equals, square root of, minus, 1, end square root, what is the sum (7+3i)+(-8+9...