### Home > CCAA8 > Chapter 11 Unit 12 > Lesson CCA: 11.3.5 > Problem 11-137

11-137.

Solve the quadratic below *twice*: once by factoring and using the Zero Product Property and once by completing the square. Verify that the solutions match.

Completing the square:

Add .

Factoring and Zero Product Property:

Factor the quadratic, then find its roots from the factors.