Mathematics, 17.10.2019 16:00 vixxs345

Acube has side length x. one side of the cube is increased by 4 inches, and another side is doubled. the volume of the new rectangular prism is 450 cubic inches. the equation 2x3 + 8x2 = 450 can be used to find x. what was the side length of the original cube? use a graphing calculator and a system of equations to find the answer.
4 inches
5 inches
9 inches
10 inches

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