X3 - 7x2 + 16x-12=0 Atrisini vienādojumu!

X^3 - 7x^2 + 16x - 12 = 0

Сгруппируем

x^3 - 3x^2 - 4x^2 + 12x + 4x - 12 = 0

x^2 (x - 3) - 4x (x - 3) + 4 (x - 3) = 0

(x - 3) (x^2 - 4x + 4) = 0

(x - 3) (x - 2) ^2 = 0

x - 3 = 0

x = 3

(x - 2) ^2 = 0

x - 2 = 0

x = 2

Ответ

2; 3