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: 87

Answer

-20

Work Step by Step

Using order of operations, first solve expression inside parentheses, then solve exponents, then multiply, and finally subtract. $2^{2}$ - 3[(2 - 8) - (-6 - 8)] = $2^{2}$ - 3[-6 - (-14)] = $2^{2}$ - 3(8) = 4 - 3(8) = 4 - 24 = -20
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