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

4-120.

Factor out the *x*.

*x*(4*x*^{2} + 23*x* − 2) = 0

By Zero Product Property:

*x* = 0 or

4*x*^{2} + 23*x* − 2 = 0

By Quadratic Formula:

Now solve for *x*.

4-120.

Factor out the *x*.

*x*(4*x*^{2} + 23*x* − 2) = 0

By Zero Product Property:

*x* = 0 or

4*x*^{2} + 23*x* − 2 = 0

By Quadratic Formula:

Now solve for *x*.