Answer
2(x+3)(x-3)
Work Step by Step
2$x^{2}$-18=2($x^{2}$-9)=2($x^{2}$-$3^{2}$)=2(x+3)(x-3)
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Review - Page 476: 86
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