Answer
Factor $-4$ out of the second column and $3$ out of the third column.
Work Step by Step
Factor $-4$ out of the second column and $3$ out of the third column.
Elementary Linear Algebra 7th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
1-13311-087-8
ISBN 13:
978-1-13311-087-3
Chapter 3 - Determinants - Review Exercises - Page 138: 21
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