Algebra: A Combined Approach (4th Edition)

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

Chapter 1 - Section 1.3 - Exponents, Order of Operations, and Variable Expressions - Exercise Set - Page 28: 36



Work Step by Step

$3[4+3(6-4)]$ Let's start by performing (inside-out) the operations inside the parentheses: $3[4+3(6-4)]=3[4+3\cdot2]=...$ Now, evaluate the product inside the brackets and then, the sum that will result, also inside the brackets. Then, finally, evaluate the product to finish the problem: $...=3[4+6]=3[10]=30$
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