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Mathematics, 13.05.2021 02:20 awdadaddda

The diagram shows a shape made out of solid wood. The shape is made by cutting a square hole all the way through a wooden cube. The cube has edges of length x cm.
The hole has a square cross section of side 3cm.
The volume of the wood in the shape is 70cm^3.

Show that x^3 - 9x = A
Where A is a constant to be found.


The diagram shows a shape made out of solid wood. The shape is made by cutting a square hole all th

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