Solve the problem.A square box with an open top is to be constructed from a rectangular piece of cardboard with side length 14 inches by cutting out equal squares of side length x at each corner and then folding up the sides. Write a completely factored polynomial whose values give the volume of the box.

A. 4x(7 - x)(7 + x)
B. 4x(3.5 - x)(3.5 + x)
C. 4x(3.5 - x)2 
D. 4x(7 - x)2


Answer: D

Mathematics

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Mathematics