Algebra: A Combined Approach (4th Edition)

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

Chapter 6 - Section 6.2 - Factoring Trinomials of the Form x2+bx+c - Exercise Set: 75

Answer

9$a^{2}$ +23ab-12$b^{2}$

Work Step by Step

(a+3b)(9a-4b) FOIL method (a)(9a)+(a)(-4b)+(3b)(9a)+(3b)(-4b) 9$a^{2}$ -4ab+27ab-12$b^{2}$ 9$a^{2}$ +23ab-12$b^{2}$
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