(3+5i)+(7-2i)-(-9+2i)

I'm trying to perform this indicted operation of complex numbers.

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1 Answer

(3+5i)+(7-2i)-(-9+2i)

Expand the brackets,

3 + 5i + 7 - 2i + 9 - 2i

Collect like terms together,

(3 + 7 + 9) + (5i - 2i + 2i)

Simplify

19 + 5i

by Level 11 User (81.5k points)

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