Answer
$$x^5+15x^4+90x^3+270x^2+405x+243$$
Work Step by Step
We know from the Binomial Theorem (page 693) that we can expand the given expression using Pascal's Triangle. Doing this, we obtain:
$$x^5+15x^4+90x^3+270x^2+405x+243$$
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 - 10.2 Use Combinations and the Binomial Theorem - Guided Practice for Examples 5 and 6 - Page 693: 7
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