Answer
$6x^2+13x-11$
Work Step by Step
$(10x^2+7x-9)-(4x^2-6x+2)$
$(10x^2+7x-9)+[-(4x^2-6x+2)]$
$(10x^2+7x-9)+(-4x^2+6x-2)$
$10x^2+7x-9-4x^2+6x-2$
$6x^2+13x-11$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.6 - Integrated Review - Exponents and Operations on Polynomials - Page 390: 20
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