
Concept Check Multiply each of the following. 1.
a. Explain why the middle terms in each product of 1 and 2 have opposite signs.
b. Explain why the last terms in each product of 1 and 2 have the same sign.

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Chapter 6 Solutions
Prealgebra plus MyLab Math/MyLab Statistics -- Access Card Package (6th Edition) (Tobey Developmental Math Paperback Series)
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