Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-2 Order of Operations and Evaluating Expressions - Lesson Check - Page 13: 4



Work Step by Step

We plug 3 in for x and 4 in for y. The exponent tells us the number of times we multiply the number by itself. According to the order of operations, we simplify inside of parentheses, then we simplify powers, then we multiply and divide, and finally, we add and subtract. When we do this, we find: $ (3)^{2} +2(3+4) = 9+2(7) =9+14=23$
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