An open-faced box is made from a square piece of paper that measures 16 inches by 16 inches. The box will be made by cutting small by sized squares out of each corner. What’s an equation for the volume of the box in terms of that could be used to determine how to make the box with the biggest volume?

An open-faced box is made from a square piece of paper that measures 16 inches by 16 inches. The box will be made by cutting small by sized squares out of each corner. What’s an equation for the volume of the box in terms of that could be used to determine how to make the box with the biggest volume?