Answer
subtraction sign $(-)$
Work Step by Step
Subtract each term of the subtrahend to obtain:
$(9x^3-x^2)-(3x^3+x^2)
\\=(9x^3-x^2-3x^3-x^2)$
Thus, the missing operation is subtraction $(-)$.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 4 - Polynomials - 4.4 Addition and Subtraction of Polynomials - 4.4 Exercise Set - Page 259: 7
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
