Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 10 - Section 10.1 - Adding and Subtracting Polynomials - Exercise Set: 28

Answer

4$a^{2}$-7a+9

Work Step by Step

(-2$a^{2}$-5a)+(6$a^{2}$-2a+9) =-2$a^{2}$-5a+6$a^{2}$-2a+9 =-2$a^{2}$+6$a^{2}$-5a-2a+9 =4$a^{2}$-7a+9
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