Algebra: A Combined Approach (4th Edition)

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

Chapter 1 - Review: 30

Answer

24

Work Step by Step

Substitute x with 6, y with 2, and z with 8, and solve the expression using order of operations. $x^{2} - 3y^{2}$ = $6^{2} - 3(2^{2})$ = 36 - 3(4) = 36 - 12 = 24
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