Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.4 - Exponents - Concept Quiz 2.4 - Page 74: 8



Work Step by Step

When adding like terms, we simply add the coefficients and make that sum the coefficient for the same base and exponent. We do not change the exponent for an addition problem. Therefore, the answer is $7x^3$, not $7x^6$.
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