Respuesta :

Answer:

  • 5 + 9j

Solution:

To solve this problem, subtract the like terms to obtain your answer.

  • 5 + 9j – 7j + 7j
  • => 5 + j(9 – 7 + 7)
  • => 5 + j(9)
  • => 5 + 9j

Hence, the simplified expression is 5 + 9j.