Answer
$(7x-2)(3x+4)$
Work Step by Step
We will use the rules for factoring trinomials to factor this quadratic equation. Therefore, we obtain:
$21x^{2}+22x-8$
=$21x^{2}-6x+28x-8$
=$3x(7x-2)+4(7x-2)$
=$(7x-2)(3x+4)$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 9 - Roots and Radicals - Chapters 1-9 Cumulative Review Problem Set - Page 432: 37
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