### Home > A2C > Chapter 10 > Lesson 10.2.4 > Problem 10-111

10-111.

Jenny and Gina were trying to solve

“*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.

“Th*at's okay,*” said Jenny, “*there's only one now, so we can get the term with the radical by itself and then square everything again*.”

Follow Jenny's advice and solve this equation.

Use Jenny and Gina's method to solve

.

See part (a).

One of these does not check.