A sign is being painted that includes 3 small squares with a side length of s and 2 large ones with a sign of S. Write an expression to find the total area of sign that needs to be painted. Show your work. 2S^2 - 3s^2, O 3S^2 + 2s^2, O 3S^2 - 2s^2, O 2S^2 + 3s2.