Answer:
13 + 3i
Step-by-step explanation:
I just used a app for this problem.
[tex]13 + 3i[/tex] is the sum of the numbers
[tex]13 + 3i[/tex]
[tex]15 - 6i - 2 + 9i[/tex] → Sum
collect like terms
[tex](15 - 2) + ( - 6i + 9i) =13 + 3i[/tex]
