Respuesta :

(-3i+4) (3i+4)

(-3i*3i)+(-3i*4)+(3i*4)+(4*4)

-3i^2 - 12i + 12i + 16

Since i^2 = -1

we get:

9 - 12i + 12i + 16

=25

Therefore, the product of the complex numbers is 25.