### Home > A2C > Chapter 4 > Lesson 4.2.4 > Problem 4-120

4-120.

The quadratic formula can be used to help solve

Factor out the *x*.

By Zero Product Property:

or

By Quadratic Formula:

Now solve for .

4-120.

The quadratic formula can be used to help solve

Factor out the *x*.

By Zero Product Property:

or

By Quadratic Formula:

Now solve for .