x = W
2x = L
x-3 = H
H * L * H = volume
A rectangular box is twice as long as it is wide. The height of the box is 3 feet less than the width. If the box is x feet wide, what polynomial represents its volume in cubic feet?
A. 4X-3
B. 2X(cubed)+6x(squared)
C.2X(squared)-6X
D. 2X(cubed)-6X(squared)
any help??
1 answer