AoPS

MATHEMATICS · Multi-part · AoPS · Mathematics · Special Factorizations · Special Factorizations

Problem

Factorise: (i)

x^3-2x^2-x+2

(ii)

x^3-3x^2-9x-5

(iii)

x^3+13x^2+32x+20

(iv)

2y^3+y^2-2y-1