Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 8 - Polynomials and Factoring - 8-8 Factoring by Grouping - Practice and Problem-Solving Exercises - Page 520: 40


$7x; 9x^{2} - 4$

Work Step by Step

$63x^{3} - 28x$ We see that that two terms have a 7x common so we can factor it out of the two terms $7x(9x^{2} - 4)$ Since the Area of a square is length x length, the length could be either 7x or $9x^{2} - 4$
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