A toilet paper has a diameter of 8x and a height of 6x. the hole in the middle has a diameter of 2x. What is the simplified expression for the volume of the toilet paper?  Note: the formula to calculate the volume of a cylinder is V=πr2h, where r is the radius and h is the height.

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A toilet paper has a diameter of 8x and a height of 6x. the hole in the middle has a diameter of 2x. What is the simplified expression for the volume of the toilet paper? 

Note: the formula to calculate the volume of a cylinder is V=πr2h, where r is the radius and h is the height.

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