Question

Factorise xcubeminus 2x square-x+2 full process

Answer 1

Answer

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

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

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

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

(x^2-1^2)(x-2) [Using a^2-b^2=(a+b)(a-b)]

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