Answer
12$a^{2}$ -a -1
Work Step by Step
( 4a + 1 )(3a - 1 ) FOIL method
(4a)(3a) + (4a)(-1)+(1)(3a) +(1)(-1)
12$a^{2}$ -4a + 3a -1
12$a^{2}$ -a -1
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: 61
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