Respuesta :

Answer:

E. -5i/4

Step-by-step explanation:

[tex]\frac{9 + 3i - 3i -i^{2}}{-4 -8i -4i^{2} } =\frac{9-(-1)}{-4-8i-4(-1)} =\frac{10}{-8i} =\frac{-5}{4i} =\frac{-5i}{4}[/tex]