Let $g(x) = -5 + 5 x - 5 x^2$. Then the expression $$\frac{g(x + h) - g(x)}{h}$$ can be written in the form $Ah + Bx + C$, where $A$, $B$, and $C$ are constants. (Note: It's possible for one or more of these constants to be 0.)
(A) Find the constants.

$A =$

$B =$

$C =$