Answer
(3s - t)(4s + 5t)
Work Step by Step
Check factorization with FOIL:
(3s - t)(4s + 5t) = 3s(4s) + 3s(5t) - t(4s) - t(5t) = 12$s^{2}$ + 15st - 4st - 5$t^{2}$ = 12$s^{2}$ + 11st - 5$t^{2}$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.4 - Factoring Polynomials - R.4 Exercises - Page 38: 36
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