Respuesta :

devishri1977

Answer:

1 - 5i

Step-by-step explanation:

(-2 + 4i) + ( 3 -9i) = -2 + 4i + 3 - 9i

                          = -2 + 3 + 4i - 9i

                           = 1 - 5i

dttggh8

Answer:

1-5i

Explanation:

(-2+4i)+(3-9i)

-2+3=1

+4i-9i=-5i

the answer: 1-5i

hope this helps!