Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Review - Page 100: 5



Work Step by Step

According to the order of operations, we simplify inside parentheses, then we simplify powers, then we multiply and divide, and finally, we add and subtract. When we do this, we find: $12-3(5-2)$ $\longrightarrow$ resolve expression in parenthesis first =$12-3(3)$ $\longrightarrow$ multiply =$12-9$ $\longrightarrow$ subtract $3$
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