Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/math/precalculus-tx Learn how to solve rational inequalities when the inequality is in the form of a rational expression on one side and a constant on the other. https://www.khanacademy.org/math/precalculus-tx/xecf67014514b60db:rational-functions-equations-and-inequalities/xecf