Algebra: A Combined Approach (4th Edition)

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

Appendix A - Exercise Set: 46


$ 4x^2 - \frac{1}{9}$

Work Step by Step

$( 2x - \frac{1}{3} )( 2x + \frac{1}{3} ) = (2x)^2 - (\frac{1}{3})^2 = 4x^2 - \frac{1}{9}$
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