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 - Practice: 3

Answer

8$z^{2}$-6.1z+17.3

Work Step by Step

(-$z^{2}$-4.2z+11)+(9$z^{2}$-1.9z+6.3) =-$z^{2}$-4.2z+11+9$z^{2}$-1.9z+6.3 =8$z^{2}$-6.1z+17.3
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