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: 13

Answer

$-3x^2+6x-2$

Work Step by Step

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