Answer
9$x^{2}$ -25
Work Step by Step
(3x+5)(3x - 5) the sum and the difference of the same two terms
$(3x)^{2}$ - $5^{2}$
9$x^{2}$ -25
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.6 - Special Products - Exercise Set - Page 388: 76
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