Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 1 - Section 1.6 - Multiplying and Dividing Real Numbers - Exercise Set: 135

Answer

When you multiply two negative numbers together they become positive. A negative negative equals a positive. For example, with English, when using a double negative, the negatives cancel each other out, making them both positive. Two negatives in math cancel each other out making them both positive.

Work Step by Step

Explain why the product of an even number of negative numbers is a positive number. The question is asking you to tell why is it that an even amount of negative numbers multiplied by each other equals a positive number.
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