Respuesta :
(4 - 8i)(2 - 7i)
Use the method FOIL
8 - 28i - 16i + 56i^2
Subtract 16i from -28i
Final Answer: 8 - 44i + 56i^2
Use the method FOIL
8 - 28i - 16i + 56i^2
Subtract 16i from -28i
Final Answer: 8 - 44i + 56i^2