Choosing a Method to Solve Quadratics

1. Equations and Inequalities / Choosing a Method to Solve Quadratics / Problem 5

Problem 5

By completing the square, solve the following equation.
x² - 2x - 23 = 0

x = 1 + 2√6, 1 - 2√6

x = - 1 + 2√6, - 1 - 2√6

x = 2√6 - 1, 2√6 + 1

x = 6√2 - 1, 6√2 + 1

By completing the square, solve the following equation.x2 - 2x - 23 = 0