Precalculus (6th Edition) Blitzer

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: 126


$6x-(-2x)$ $8x$

Work Step by Step

The product of 6 and x is simply them multiplied together: $6x$. Two times $x$ is $2x$. Negative two times $x$ is $-2x$. The difference between $6x$ and $-2x$ is the second subtracted from the first: $6x-(-2x)$, which equals $8x$.
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