Respuesta :

Answer:[tex](3-4i)(-7-8i)=32i^2+4i-21[/tex]

Explanation:

Given the expression:

(3 - 4i) + (-7 - 8i)

Simplifying this, we have:

[tex]\begin{gathered} -21-24i+28i+32i^2 \\ =32i^2+4i-21 \\ \end{gathered}[/tex]