### Home > INT3 > Chapter 4 > Lesson 4.2.2 > Problem 4-56

Denae and Gina are trying to solve

"*Let’s start by putting the radicals on opposite sides of the equation and then squaring.”* she says. Her work is shown at right. *“But there’s still a radical!”* she exclaims, disappointed.

*“That’s okay,”* says Denae, *“there’s only one radical now, so we can get the term with the radical by itself and then square everything again.” *Homework Help ✎

Follow Denae’s advice and solve this equation.

Use Denae and Gina’s method to solve

. Continue solving. Note that you will need to factor and use the Zero Product Property.

Be sure to check both of your answers in the original equation.