Answer
$-2x^2-11$
Work Step by Step
Subtract each term to obtain:
$(x^2-x-5)-(3x^2-x+6)
\\=x^2-x-5-3x^2-(-x)-6
\\=x^2-x-5-3x^2+x-6$
Combine like terms to obtain:
$=(x^2-3x^2)+(-x+x)+(-5+(-6))
\\=-2x^2+0+(-11)
\\=-2x^2-11$
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 5 - Polynomials and Factoring - Connecting: The Concepts - Exercises - Page 350: 6
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