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 349: 80



Work Step by Step

Distribute the negative sign to the parentheses and then combine like terms vertically. $\quad3x^5-5x^3+6$ $\underline{-(7x^5+4x^3-2)}$ $\qquad\quad\downarrow$ $\quad3x^5-5x^3+6$ $\underline{\;-7x^5-4x^3+2}$ $\;-4x^5-9x^3+8$
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