Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter R - Algebra Reference - R.1 Polynomials - R.1 Exercises - Page R-5: 6



Work Step by Step

$0.5(5r^{2}+3.2r-6)-(1.7r^{2}-2r-1.5)$ Multiply $0.5$ by each term inside its respective parentheses and simplify by combining like terms: $(2.5r^{2}+1.6r-3)-(1.7r^{2}-2r-1.5)=0.8r^{2}+3.6r-1.5$
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