Question 34

Given that the polynomial $f(x)$ divided by $2x^2 - x - 1$ has a remainder of $4ax - b$ and divided by $2x^2 + 3x + 1$ has a remainder of $-2bx + a - 11$. If $f(x - 2)$ is divisible by $x - 3$, then $a + 2b + 6 =$....