math

An open box is to be made from a flat piece of material 8 inches long and 2 inches wide by cutting equal squares of length x from the corners and folding up the sides.
Write the volume V of the box as a function of x. Leave it as a product of factors, do not multiply out the factors.

V=?

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  1. length = 8-2x
    width = 2-2x
    height = x

    volume = x(8-2x)(2-2x)

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    posted by Reiny
  2. L=8-2x
    W=2-2x

    volumeV=LWh= (8-2x)(2-2x)(x)

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