Use the Quadratic Formula to solve the equation x² - 4x = - 11. ○ x = 2 i√√3 or x = 2 - i√√3 O x = 2 √11 or x = 2 - √√/11 O x = -2 i√3 or x = -2-i√√3 O x = − 2 √II or x = -2-√√11