The volume of a box is given by the following formula:
[tex]V=l\cdot w\cdot h[/tex]
Replace each variable for the given expressions and find the expression for the area of the box:
[tex]\begin{gathered} V=(n+7)(n+8)(n) \\ V=(n^2+15n+56)(n) \\ V=n^3+15n^2+56n \end{gathered}[/tex]
