Find the volume of the box. use the formula v = lwh. rectangular box with three sides visible, having width, length, and height of x plus two, two x minus one, and three x plus one respectively
a. 6x3 β 2
b. 6x2 β 13x2 β 3x β 2
c. 6x2β x β 1
d. 6x3 + 11x2 β 3x β 2