Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - 5.1 - Addition and Subtraction of Polynomials - Problem Set 5.1 - Page 195: 32



Work Step by Step

We write an expression to express this subtraction problem: $(2x+3)-(7x-2)$ We use the commutative, associative, and distributive properties to group like terms: $(2-7)x+(3-(-2))$ We combine the like terms within each set of parentheses: $-5x+5$
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