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

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 7 - Functions and Graphs - 7.1 Introduction to Function - 7.1 Exercise Set - Page 451: 72



Work Step by Step

To solve the equation, we use the rules of Algebra to isolate the given variable. Doing this, we find: $$ \left(x-2\right)^2-36=0 \\ x^2-4x-32=0 \\ \left(x+4\right)\left(x-8\right)=0 \\ x=-4,\:x=8$$
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