Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise: 38

Answer

$12x^2-5x-4$

Work Step by Step

To combine like terms, add the coefficients. $3x^2-5x-2+4x^2+x-4+5x^2-x+2=(3+4+5)x^2+((-5)+1+(-1))x+((-2)+(-4)+2)=12x^2-5x-4$
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