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4 February, 23:49

Addition and subtraction

(6i) + (-7 - 4i) + 5

+2
Answers (1)
  1. 5 February, 02:03
    0
    -2 + 2i

    Step-by-step explanation:

    Treat "i" as you would any variable and collect terms in the usual way. Conventionally, complex numbers are written with the imaginary part second.

    = i (6 - 4) + (-7 + 5) = - 2 + 2i
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