perform indicated operation. express answers in form a + bi

Question

(5+3i) - (2-4i)- (3-8i)

 I subtracted them together and got 9i

Answer 1

(5 + 3i) - (2 - 4i) - (3 - 8i)              do the real numbers

 

5 - 2 - 3

0                                                  do the imaginary number

 

3i - (-4i) - ( -8i)

3i + 4i + 8i

15i