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I don't get this someone help me

I don't get this someone help me
asked 103k views
1 vote
I don't get this someone help me

I don't get this someone help me-example-1
asked
User Mohsin Inayat Khan
by
8.7k points

1 Answer

2 votes
Group and combine like terms

(7 + 3i) + (-8 + 9i)
7 + 3i - 8 + 9i
(7 - 8) + (3i + 9i)
-1 + 12i

Answer is choice A) -1+12i

answered
User Brrwdl
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8.6k points
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