Answer
When a number is divided by itself, the answer is 1, not 0.
Work Step by Step
Following the correct method, we find:
$$ (-25 ) \div 25 \\ (-1) \times (25\div 25) \\ = -1\times 1 \\ = -1$$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 9 - Basic Algebra - 9.3 Multiplying and Dividing Signed Numbers - 9.3 Exercises - Page 645: 48
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