Find the derivative of f(x) using the quotient rule:-
f'(x) = (3 - 2x)*1 - (x - 5)* -2
----------------------------
(3 - 2x)^2
= 3 - 2x + 2x - 10 -7
----------------------- = --------------
( 3 - 2x)^2 (3 - 2x)^2
So h = -7 and m = 2
