Answer
Answer:
$20x^{2}-31x-7$
Work Step by Step
$(4x - 7)(5x + 1)$
= $4x(5x + 1)-7(5x + 1)$
=$20x^{2}+4x-35x-7$
=$20x^{2}-31x-7$
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 5.5 - Multiplying Polynomials - Exercise Set - Page 379: 54
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