The volume of a packaging box is 5 - x cubic feet.The width of the box is x feet and the length is x - 2 feet. The height is given by the expression 5 -x x(x-2). Which of these values of x make the expression undefined?

A rational expression is undefined when the denominator is zero.
[tex]V=\dfrac{5-x}{x(x-2)}[/tex]
is undefined when x=0 or x=2.