Answer
$3+36i $.
Work Step by Step
The given expression is
$=(6-3i)(-2+5i)$
Use the FOIL method.
$=(6)\cdot(-2)+(6)\cdot(5i) + (-3i)\cdot(-2)+(-3i)\cdot(5i)$
Simplify.
$=-12+30i +6i-15i^2$
Use $i^2=-1$
$=-12+30i +6i+15$
Add like terms.
$=3+36i $.
