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February 1, 2015

February 1, 2015

Posted by **Alaina** on Saturday, November 21, 2009 at 4:51pm.

A cubic container, with sides of length, x inches, has a volume equal to x^3 cubic inches. The height of the container was decreased and the length was increased so that the volume is now modeled by the expression

x^3+4x^2-5x

By how many feet were the height and length changed?

(Hint: Volume = length times width times height)

- Algebra -
**Reiny**, Saturday, November 21, 2009 at 7:35pmyour new expression factors to

x(x+5)(x-1)

so I would say the length was increased by 5, the width remained the same and the height was shortened by 1

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