4) The volume of the box is 6480 cubic inches. What are the lengths of the sides of the squares that are cut out? Give the equation to solve this problem. Use the expanded form of the volume. Get one side equal to zero. Divide out any whole number you can from the expression. i.e.A 3 can be factored out so 0=6x-15x+ 60 so divide both sides by three to get the new equation 0 =2x-5x+20. Do this to make it easier to find roots!