Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.4 - Polynomials - Exercise Set - Page 58: 111

Answer

$4$

Work Step by Step

Let the value in the box be $y$. Based on the FOIL method, we need $3y=12$, which gives $y=4$.
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