Answer
5(6a-5b)(a-b)
Work Step by Step
30$a^{2}$+5ab-25$b^{2}=
5(6$a^{2}$+ab-5$b^{2}$)=
5(6$a^{2}$-6ab+5ab -5$b^{2}$)=
5[6a(a-b)-5b(a-b)]=5(6a-5b)(a-b)
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: 44
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