Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Section 4.2 - Adding and Subtracting Polynomials - 4.2 Exercises: 43

Answer

$8k^{2}+2k-7$

Work Step by Step

We are given the polynomial $2k+3k^{2}+5k^{2}-7$. We can use the distributive property to combine like terms. $2k+3k^{2}+5k^{2}-7=(3+5)k^{2}+2k-7=(8)k^{2}+2k-7=8k^{2}+2k-7$
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