Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise - Page 217: 23



Work Step by Step

To combine like terms, add the coefficients. $x^2+2x^2+3x+7x=(1+2)x^2+(3+7)x=3x^2+10x$
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