An Open Box with Volume Of $8000$ Cm $3$ Is to Be Constructed by Taking a Piece of Cardboard

Essay

An open box with volume of $8000$ cm $3$ is to be constructed by taking a piece of cardboard $40$ cm by $60$ cm, cutting squares of side length $x$ cm from each corner. Show that this can be done in two ways, and find the exact dimensions of the box in each case.