Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 5 - Section 5.1 - Introduction to Polynomials and Polynomial Functions - Exercise Set - Page 325: 39



Work Step by Step

Consider the given polynomial $(x^{2n}+5x^n-8)+(4x^{2n}-7x^n+2)$ Need to drop the parentheses. Thus, $(x^{2n}+5x^n-8)+(4x^{2n}-7x^n+2)=x^{2n}+5x^n-8+4x^{2n}-7x^n+2$ or, $=x^{2n}+4x^{2n}+5x^n-7x^n-8+2$ or, $=5x^{2n}-2x^n-6$
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