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Simplify the given expression. (1+3i)+(2-5i) a)-1 - 2i b) 3 - 2i c) 4 - 3i d) 5+6i Im really confused can someone help me solve it?
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4 votes
Simplify the given expression.

(1+3i)+(2-5i)

a)-1 - 2i
b) 3 - 2i
c) 4 - 3i
d) 5+6i

Im really confused can someone help me solve it?

User Zaptask
by
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2 Answers

5 votes
(1 + 3i) + (2 - 5i) = 1 + 3i + 2 - 5i = 3 - 2i
User AlexKorovyansky
by
7.2k points
6 votes
Since you can only perform addition and subtraction on variables that have the same variable following them, the correct answer is B. 3 - 2i.
Here's why:
1 + 2 + (3i - 5i) =
3 - 2i

User Khalfani
by
8.8k points
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