Answer
$$V=l^3-3l^2+2l$$
Work Step by Step
We express each dimension in terms of length:
$$l=l \\ h=l-1 \\ w=l-2$$
Thus, using the equation for volume, we find:
$$ V=lwh \\ V=l\left(l^2-3l+2\right) \\ V=l^3-3l^2+2l$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 4 - Polynomials - Test: Chapter 4 - Page 300: 43
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