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: 56



Work Step by Step

We subtract the $x^4$-terms as follows $$ 7x^4+2x^4=9x^4 $$ then subtract the $x^3$-terms as follows $$ 3x^3-x^3=2x^3 $$ then subtract the $x$-terms as follows $$ 5x+6x=11x $$ then subtract the constant terms as follows $$ 0-6=-6$$ Hence, the result is $$9x^4+2x^3+11x-6.$$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.