Respuesta :
Answer:
-10 -4i
Step-by-step explanation:
To subtract complex numbers, subtract the real parts.
-3 -7 = -10
and then the complex parts.
5i-9i = -4i
(-3 + 5i) - (7 + 9i) = -10 -4i
Answer:
-10 -4i
Step-by-step explanation:
To subtract complex numbers, subtract the real parts.
-3 -7 = -10
and then the complex parts.
5i-9i = -4i
(-3 + 5i) - (7 + 9i) = -10 -4i