Answer
$14x^2+14xy+3y^2$
Work Step by Step
To combine like terms, add the coefficients.
$13x^2+14xy+6y^2-3y^2+x^2=(13+1)x^2+14xy+(6+(-3))y^2=14x^2+14xy+3y^2$
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: 32
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