Answer
2(5a-2)(3a+5)
Work Step by Step
30$a^{2}$+38a-20=2(15$a^{2}$+19a-10)=2(15$a^{2}$+25a-6a-10)=
2[5a(3a+5)-2(3a+5)]=2(5a-2)(3a+5)
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.4 - Factoring Trinomials of the Form ax2+bx+c by Grouping - Exercise Set - Page 441: 34
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