Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.

Published by Pearson

ISBN 10: 0-32184-874-8

ISBN 13: 978-0-32184-874-1

Chapter 10 - Exponents and Radicals - 10.4 Dividing Radical Expressions - 10.4 Exercise Set - Page 654: 79

Answer

$$-65$$

Work Step by Step

In order to solve this problem, we follow order of operations. (Recall, we use the abbreviation PEDMAS to indicate the correct order.) Doing this, we find: $$ 12-100\div \:5\left(-2\right)^2-3\left(-1\right)\\ 12-80-3\left(-1\right)\\ 12-80-\left(-3\right)\\ -65$$

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