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: 88



Work Step by Step

Distribute the negative to the parentheses and then combine like terms vertically. $\quad0.04x^3-0.03x^2+0.05x$ $\underline{-(0.02x^3-0.06x^2-\quad x)}$ $\qquad\qquad\quad\downarrow$ $\quad0.04x^3-0.03x^2+0.05x$ $\underline{-\;0.02x^3+0.06x^2+\quad x}$ $\quad0.02x^3+0.03x^2+1.05x$
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