Question

(6-7i)+(5+4i)= (simplified)

Answer 1

Answer:

11-3i

Step-by-step explanation:

6-7i+5+4i=6+5-7i+4i=11-3i

Answer 2

Answer:

(-1i)+(9i)

in the brackets you minus 7 from 6 which takes it to -1i.

Next you add 5 and 4i to get to 9i.