Elementary Technical Mathematics

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

Chapter 5 - Section 5.3 - Addition and Subtraction of Polynomials - Exercise - Page 221: 55



Work Step by Step

We subtract the $x^3$-terms as follows $$ 2x^3-x^3=x^3 $$ then subtract the $x$-terms as follows $$ 4x-x=3x $$ then subtract the constant terms as follows $$ -1-2=-3 $$ Hence the result is $$x^3+3x-3.$$
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