Answer
$7^{2} -15 = 34$
Work Step by Step
1. Expand $7^{2}$
$7^{2} = 7 \times 7 = 49$
2. Solve the equation
$49 - 15 = x$
$34 = x$
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 1 - Whole Numbers - Review Exercises - Page 106: 107
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