- x² - 2x + 24 = 0
x² + 2x - 24 = 0
x² + 6x - 4x - 24 = 0
x × (x + 6) - 4 × (x + 6) = 0
(x + 6) × (x - 4) = 0
x + 6 = 0
x - 4 = 0
x = - 6
x = 4
ответ: x¹ = - 6; x² = 4.
- x² - 2x + 24 = 0
x² + 2x - 24 = 0
x² + 6x - 4x - 24 = 0
x × (x + 6) - 4 × (x + 6) = 0
(x + 6) × (x - 4) = 0
x + 6 = 0
x - 4 = 0
x = - 6
x = 4
ответ: x¹ = - 6; x² = 4.