### Home > INT2 > Chapter 12 > Lesson 12.2.1 > Problem 12-70

12-70.

Solve the equation below by completing the square. Give your answer(s) in exact (radical) form.

Use the Math Notes box.

**Example 3:** Solve

**Solution:** This method works most efficiently when the coefficient of

Rewrite the equation as

Complete the square and rewrite as

Take the square root of both sides,