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: 61

Answer

-4x$^2$-4x-6

Work Step by Step

Distribute the negative sign to the parentheses and then combine like terms. (x$^2$-8x-9)-(5x$^2$-4x-3) x$^2$-8x-9-5x$^2$+4x+3 (x$^2$-5x$^2$)+(-8x+4x)+(-9+3) -4x$^2$+(-4x)+(-6) -4x$^2$-4x-6
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