The area of rectangle is xy where x is length and y is breadth . If the length of rectangle is increased by 5 units and breadth is decreased by 3 units , the nw area of rectangle will be

Question

$\begin{array}{1 1} (x-y)(x+3) \\ xy+15 \\ (x+5)(y-3) \\ xy+5-3 \end{array} $