### Home > CCA2 > Chapter 12 > Lesson 12.1.1 > Problem 12-19

12-19.

Solve each equation.

Subtract

from both sides to isolate the radical. Square both sides to get rid of the radical sign.

Set the equation equal to

and use the Quadratic Formula to solve for .

What are the factors of

Multiply both sides of the equation by a common denominator to remove the fractions.