Answer
$7x-6$
Work Step by Step
We use the rules of simplifying fractions to find:
$(21x^2-4x-12)\div(3x+2)=\frac{21x^2-4x-12}{3x+2}=\frac{(3x+2)(7x-6)}{3x+2}=7x-6$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set - Page 231: 47
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