Elementary Algebra

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

Chapter 2 - Real Numbers - 2.4 - Exponents - Problem Set 2.4 - Page 75: 64



Work Step by Step

By combining like terms, the given expression, $ -3x^3-x^2+7x-2x^3+7x^2-4x ,$ simplifies to \begin{array}{l}\require{cancel} (-3x^3-2x^3)+(-x^2+7x^2)+(7x-4x) \\\\= -5x^3+6x^2+3x .\end{array}
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