Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.4 - Factoring Trinomials of the Form ax^2+bx+c - Problem Set 6.4: 78

Answer

The answer is below.

Work Step by Step

She is absolutely correct. With this being said, it would have been more efficient if she had factored out the eight during the first step, for it is a common factor of all of the given terms. After this, she could have found: $8(x-2)(x-2)$.
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