Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-3 Algebraic Expressions - Practice and Problem-Solving Exercises: 47

Answer

2.5$x^{2}$

Work Step by Step

x+.5$x^{2}$+2$x^{2}$-x The positive and negative x cancel out to get .5$x^{2}$+2$x^{2}$. Because these are like terms, they combine to get .5$x^{2}$+2$x^{2}$=2.5$x^{2}$.
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