Answer
$ 28r^2 + r - 2$
Work Step by Step
$(4r - 1) (7r + 2) = 28r^2 + 8r - 7r - 2 = 28r^2 + r - 2$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter R - Review of Basic Concepts - R.3 Polynomials - R.3 Exercises - Page 33: 55
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