### Home > CCA2 > Chapter 9 > Lesson 9.3.1 > Problem 9-80

Denae and Gina were trying to solve

+ = 5. They knew they would have to square the equation to get rid of the radicals, but when they tried it, they got *x*+ 5 +2+ *x*= 25, which did not look much easier to deal with. Gina had an idea.“ *Let’s start by putting the radicals on opposite sides of the equation and then squaring,*” she said. Her work is shown at right.“

*But there’s still a radical!*” she exclaimed, disappointed.“

*That’s okay,*” said Denae, “*there’s only one 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.