Answer
$11x^2-13x-6$
Work Step by Step
Given: $(6x^2-7x-9)-(-5x^2+6x-3)$
Need to the subtract the polynomials.
$=6x^2-7x-9+5x^2-6x+3$
Solve the same variables terms.
Hence, $=11x^2-13x-6$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Test - Page 401: 7
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