Answer
$$s^4+4s^3t^2+6s^2t^4+4st^6+t^8$$
Work Step by Step
Using the binomial theorem to expand the binomial without multiplying the whole thing out, we find:
$$s^4+4s^3t^2+6s^2t^4+4st^6+t^8$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 10 Counting Methods and Probability - Chapter Test - Page 737: 11
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