Question

factorizacion de polinomio
x^3-2x^2-x+2

Answer 1

x³-2x²-x+2

agrupamos

(x³-2x²)     (-x+2)

x²(x-2)      -1(x-2)

(x²-1)(x-2)

entonces:

x³-2x²-x+2=(x²-1)(x-2)