Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 5 - Polynomials and Factoring - 5.7 Solving Quadratic Equations by Factoring - 5.7 Exercise Set: 13

Answer

$x=\left\{ 0,7 \right\}$

Work Step by Step

Equating each factor to zero (Zero Product Principle), then the solutions to the equation, $ x(x-7)=0 ,$ is \begin{array}{l} x=0 ,\\\\\text{OR}\\\\ x-7=0 \\\\ x=7 .\end{array} Hence, $ x=\left\{ 0,7 \right\} .$
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