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: 79

Answer

-4y$^2$-7y+5

Work Step by Step

Distribute the negative sign to the parentheses and then combine terms vertically. $\quad7y^2-5y+2$ $\underline{-(11y^2+2y-3)}$ $\qquad\quad\downarrow$ $\quad7y^2-5y+2$ $\underline{-11y^2-2y+3}$ $\;-4y^2-7y+5$
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