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14-08-2019
Mathematics

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Addition and subtraction

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

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14-08-2019

Answer:

-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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