Answer
$3.22x^2-6.83x$
Work Step by Step
To combine like terms, add the coefficients.
$2.3x^2-4.7x+0.92x^2-2.13x=(2.3+0.92)x^2+((-4.7)+(-2.13))x=3.22x^2-6.83x$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Section 5.2 - Simplifying Algebraic Expressions - Exercise - Page 218: 34
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