Algebra 1

Published by Prentice Hall

Chapter 8 - Polynomials and Factoring - 8-3 Multiplying Binomials - Practice and Problem-Solving Exercises - Page 489: 18

Answer

$3x^2-23x-8$

Work Step by Step

Make a table. $\ \ \ \ \ \ \ \ \underline{|\ \ \ \ \ \ \ x\ \ \ \ \ \ |\ \ \ \ \ \ -8\ \ \ \,\ \ |}$ $\ \ \ 3x\ |\ \ \ \ \ 3x^2\ \ \ \ |\ \ \ -24x\ \ \ \ \ |$ $\ \ \ \ 1\ \ |\ \ \ \ \ \ \ x\ \ \ \ \ \ |\ \ \ \ \ \ \ -8\ \ \ \ \ |$ The product is $3x^2-24x+x-8$ Combine like terms. $3x^2-23x-8$

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