Answer :

imtiyazw

Answer:

A

Step-by-step explanation:

Remember to combine like terms, aka whichever number has the same variable (or no variable), those are the ones that go together. 5 + 10 is 15. -3i + 5i is the same as 5i -3i, which is 2i.

Answer:

A. 15 + 2i

Step-by-step explanation:

(5 - 3i) + (10 + 5i)

5 - 3i + 10 + 5i

5 + 10 - 3i + 5i

15 + 2i

hope it helps!

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