Question

Factorise :
X^3 - 2x^2- x + 2​

Answer 1

Answer:

(x + 1)(x - 1)(x - 2)

Step-by-step explanation:

x³ - 2x² - x + 2

x²(x - 2) - 1(x - 2)

(x² - 1)(x - 2)

(x + 1)(x - 1)(x - 2)