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 521: 21



Work Step by Step

You are given $15x^{2}$-14x-8. Factor it out: $15x^{2}$-20x+6x-8 -break out the middle value- ($15x^{2}$-20x)+(6x-8) -group the first two and last two terms- 5x(3x-4)+2(3x-4) -Find the GCF of each grouping's- (3x-4)(5x+2) -factor out the common term- =(3x-4)(5x+2)
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