Jocelyn and Lorlesha are comparing the size of their villages in the Clash of Clans app. The area of Jocelyn’s village is represented by the polynomial, 2w^2+10w+12. The area of Lorlesha’s village is represented by the polynomial, 3w^2+4w-5, where w represents the width, in meters of their Town Hall. Part A: Find the expression that represents the additional area of Jocelyn’s village. Part B: Find the expressions that represents the combined total area of their villages.