Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-6 Factoring ax2+bx+c - Practice and Problem-Solving Exercises - Page 520: 12



Work Step by Step

You are given $6r^{2}$-23r+20. Factor it out: $6r^{2}$-8r-15r+20-break out the middle value- ($6r^{2}$-8r)+(-15r+20) -group the first two and last two terms- 2r(3r-4)-5(3r-4) -Find the GCF of each grouping- (2r-5)(3r-4) -factor out the common term- =(2r-5)(3r-4)
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