Use Choices A–D to answer each question. A. 3x² - 17x - 6 = 0 B. (2x + 5)² = 7 C. x² + x = 12 D. (3x - 1)(x - 7) = 0 Only one of the equations does not require Step 1 of the method for completing the square described in this section. Which one is it? Solve it.

Use Choices A–D to answer each question. A. 3x² - 17x - 6 = 0 B. (2x + 5)² = 7 C. x² + x = 12 D. (3x - 1)(x - 7) = 0 Only one of the equations is set up so that the values of a, b, and c can be determined immediately. Which one is it? Solve it.

Solve each equation using the zero-factor property. x² - 5x + 6 = 0

Solve each equation using the zero-factor property. 2x² - x = 15

Solve each equation using the zero-factor property. 9x² - 12x + 4 = 0

Solve each equation using the zero-factor property. 36x² + 60x + 25 = 0

Solve each equation using the square root property. See Example 2. x² = 121

Solve each equation using the square root property. 48 - x² = 0