Answer
$10.8mn-4.8m$
Work Step by Step
We are given the expression $1.2m(9n-4)$.
The distributive property holds that $a(b-c)=ab-ac$.
$a=1.2m$, $b=9n$, and $c=4$
$a(b-c)=1.2m(9n)-1.2m(4)=10.8mn-4.8m$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set - Page 39: 56
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