Answer
$ (3y+1)(x-4)$
Work Step by Step
$3xy-4+x-12y $
$= 3xy - 12 y + x-4$
$= 3y(x-4) + 1(x-4)$
Factor out the common factor, $(x-4)$.
$= (3y+1)(x-4)$
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 6.1 - The Greatest Common Factor - Practice - Page 419: 15
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