#### 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, $(x-4)$.
$= (3y+1)(x-4)$

Published by
Pearson

ISBN 10:
0321726391

ISBN 13:
978-0-32172-639-1

$ (3y+1)(x-4)$

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