Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - 8-3 Multiplying Binomials - Practice and Problem-Solving Exercises: 14

Answer

$x^{2}+x-20$

Work Step by Step

Make a table of products. $\begin{array}{rll} & x & -4\\ \hline x |& x^{2} & -4x\\ 5 |& 5x & -20 \end{array}$ Answer: $x^{2}-4x+5x-20$, or $x^{2}+x-20$.
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