Simplify -3(1 + 4i) + i(-2 - i).
$-3(1+4i) + i(-2-i) = -3 -12i -2i - i^2$.
We know that $i^2 = -1$, therefore, this equation is now $-14i - 3 - (-1) = \boxed{-2 -14i}$, which is our final equation.