Question

Factorise 1) x^3-2x^2-x+2

explain​

Answer 1

Answer:

answer

make brainliest

Answer 2

Answer:

x³-2x²-x+2 = (x³-x)-(2x²-2) = x(x²-1) -2(x²-1) = (x-2)(x²-1)

a²-b²= (a+b)(a-b)

(x²-1²) = (x+1)(x-1)

⇒x³-2x²-x+2 = (x-2)(x+1)(x-1)