Answer
$16-28i $.
Work Step by Step
The given expression is
$=(8-4i)(3-2i)$
Use the FOIL method.
$=(8)\cdot(3)+(8)\cdot(-2i) + (-4i)\cdot(3)+(-4i)\cdot(-2i)$
Simplify.
$=24-16i -12i+8i^2$
Use $i^2=-1$
$=24-16i -12i-8$
Add like terms.
$=16-28i $.
