Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.3 Multiplying and Dividing Signed Numbers - 9.3 Exercises: 1

Answer

To multiply two negative numbers, you can ignore or drop the signs of the factors and multiply. The product is positive.

Work Step by Step

The product of two numbers with the same sign is positive. This means the product of two negative numbers is positive. Thus, to multiply two negative numbers, you can ignore the signs of the factors and multiply. The product is positive.
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