Question

Factorise x^3-x^2+ax+x-a-1

Answer 1

x^3-x^2+ax+x-a-1

x^3-x^2+ax-a+x-1

x^2(x-1)+a(x-1)+1(x-1)

(x^2+a+1)( x-1)

Answer 2

Step-by-step explanation:

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