(x+2)(x+8) = x^2 +10x +16
(x^2 + 10x + 16)(x-1) = x^3+9x^2+6x-16, so the other dimension is x-1
The given box has the following properties
The length is
The height is
The volume is
As expression for volume can be setup as below , suppose width is w
Hence width w=(x-1)
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