### Home > A2C > Chapter 12 > Lesson 12.1.3 > Problem 12-57

12-57.

Ernie and Lisa were trying to find the roots of a quadratic function *g(x)* by solving *g(x)* = 0. Ernie's answer was *g(x)* might have been.

Start with Lisa's answer and try to simplify it to look like Ernie's answer.

Use the quadratic formula to find a possible equation.