Chapter 6 - Factoring, Solving Equations, and Problem Solving - 6.1 - Factoring by Using the Distributive Property - Problem Set 6.1 - Page 243: 86

$x = 0, 5$

In order to solve this problem, we first factor, and then we set each factor equal to 0 to solve: $4x^{2} = 20x$ $4x^{2} - 20x = 0$ $4x(x - 5) = 0$ Set each factor equal to 0 to solve: $x = 0 $ $x-5=0 \\\\ x=5$