Answer
$\frac{1}{81x^2}$
Work Step by Step
$(-9x)^-2$
$\frac{1}{(-9x)^2}$
$\frac{1}{81x^2}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Practice Final Exam - Page 705: 4
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