### Home > INT3 > Chapter Ch1 > Lesson 1.1.2 > Problem 1-19

1-19.

Solve each of the following quadratic equations. If you need help, refer to the Math Notes box in this lesson.

Factor.

Use the Zero Product Property:

Use the Quadratic Formula.

Notice if you try to factor

, it doesn't work. Use the Quadratic Formula when that happens.