Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Test: 23

Answer

$9x^{2}-\frac{1}{25}$

Work Step by Step

Step 1: $(3x-\frac{1}{5})(3x+\frac{1}{5})$ Step 2: $3x(3x+\frac{1}{5})-\frac{1}{5}(3x+\frac{1}{5})$ Step 3: $9x^{2}+\frac{3x}{5}-\frac{3x}{5}-\frac{1}{5}(\frac{1}{5})$ Step 4: $9x^{2}-\frac{1}{25}$
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