Question

factorise x^3-2x^2-x+2​

Answer 1

x

3

−3x

2

−9x−5

⇒x

2

(x+1)−4x(x+1)−5(x+1)

⇒(x+1)(x

2

−4x+5)

⇒(x+1)(x

2

−5x+x−5)

⇒(x+1)(x(x−5)+1(x−5))

⇒(x+1)(x−5)(x+1)

⇒(x

2

−1)(x−5

Answer 2

Step-by-step explanation:

x^3-2x^2-x+2 is an equation

x^2(x-2)-1(x-2)

(x-2)(x^2-1)