Answer
$x^4+7x^3+4x^2+23x-35$
Work Step by Step
$(x+7)(x^3+4x-5)=x(x^3+4x-5)+7(x^3+4x-5)$
$x^4+4x^2-5x+7x^3+28x-35=x^4+7x^3+4x^2+23x-35$
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 - Review - Page 406: 95
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