How do you combine like terms in (-4+ 6i ) + ( 9- 2i )?

1 Answer
Nov 29, 2017

5 + 4i

Explanation:

Combine the imaginary numbers and combine the real numbers.
(-4 + 6i) + (9 - 2i) = -4 + 6i + 9 - 2i
= (-4 + 9) + (6i - 2i)
= 5 + 4i