Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.3 - Introduction to Polynomials - Exercise Set: 81


$ 2y^{20}$

Work Step by Step

$(y^5)^4 + (y^2)^{10} = y^{4\times5} + y^{2\times10} = y^{20} + y^{20} = 2y^{20}$
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