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: 57

Answer

-5x$^2$-9x-12

Work Step by Step

Distribute the negative sign to the parentheses and then combine like terms. (x$^2$-5x-3)-(6x$^2$+4x+9) x$^2$-5x-3-6x$^2$-4x-9 (x$^2$-6x$^2$)+(-5x-4x)+(-3-9) (-5x$^2$)+(-9x)+(-12) -5x$^2$-9x-12
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