CPM Homework Banner

Home > A2C > Chapter 12 > Lesson 12.1.3 > Problem 12-54

12-54.

Solve and check for extraneous solutions. Homework Help ✎

Get the radical by itself and square both sides.

x + 18 = x2 + 4x + 4

Solve by factoring or using the quadratic formula. Remember to check your answers with the original equation.