Evaluate : $\begin{vmatrix}x+2 & x+3 & x+2a\\x+3 & x+4 & x+2b\\x+4 & x+5 & x+2c\end{vmatrix}$ if $a,b,c$ are in A.P

Question

$\begin{array}{1 1} 0 \\ 6 \\ 3 \\ 5 \end{array} $