Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.4 Addition and Subtraction of Polynomials - 4.4 Exercise Set - Page 259: 5



Work Step by Step

Adding polynomials involves combining like terms. Thus, $(3x^2+2)+(6x^2+7) \\=(3x^2+6x^2)+(2+7) \\=(3+6)x^2+(2+7)$ Therefore, the missing expression is: $x^2$
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