Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - Chapter 5 Review Problem Set: 47

Answer

$7x-6$

Work Step by Step

We use the rules of simplifying fractions to find: $(21x^2-4x-12)\div(3x+2)=\frac{21x^2-4x-12}{3x+2}=\frac{(3x+2)(7x-6)}{3x+2}=7x-6$
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