Algebra 1

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

Chapter 3 - Solving Inequalities - 3-2 Solving Inequalities Using Addition or Subtraction - Mixed Review - Page 177: 88



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: $3(4-5)^2-4\longrightarrow$ simplify expression in parentheses $=3(-1)^2-4\longrightarrow$ resolve exponent $=3(1)-4\longrightarrow$ multiply $=3-4\longrightarrow$ subtract $=-1$
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