Answer:
5+11i-16-4i+9i
5-16+11i-4i+9i
-11+7i+9i
-11+16i
Explanation:
First, get the like terms together. Then add or subtract until its simplified. Simplified is -11+16i.
5 + 11i -16 + 4i + 9i
collecting like terms
5-16 + 11i + 4i + 9i
24i - 11
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