Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - Get Ready - Page 411: 17



Work Step by Step

We start with the given expression: $b-(3a)^2$ We plug in the values for $a$ and $b$: $5-(3\times(-2))^2$ The order of operations states that first we perform operations inside grouping symbols, such as parentheses, brackets, and fraction bars. Then, we simplify powers. Then, we multiply and divide from left to right. We follow the order of operations to simplify. We start by multiplying inside the parentheses: $5-(-6)^2$ Next, we simplify powers: $5-36$ Finally, we subtract: $-31$
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