Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 5 - Section 5.1 - Adding and Subtracting Polynomials - Exercise Set - Page 348: 23


5$x^{2}$ -3x+13

Work Step by Step

(4$x^{2}$ - 6x + 12) + ($x^{2}$+ 3x +1) The like terms are 4$x^{2}$ and $x^{2}$ containing the same variable to the same power($x^{2}$), as well as -6x and 3x (both containing x), and the constant terms 12 and 1. We begin by grouping these pairs of like terms. ( 4$x^{2}$ + $x^{2}$)+ (-6x + 3x)+ (12+1) = 5$x^{2}$ -3x+13
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