Answer
$10(−4\times x)$
$−40x$
Work Step by Step
The product of $−4$ and $x$ is them multiplied together, $(−4\times x)$. That times ten is $10(−4\times x)=−40x$.
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set - Page 18: 124
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