Question

factorise x^3 -x^2 -xy +x+y-1​

Answer 1

x^3-x^2-xy+x+y-1

(x^3-x^2)-(xy+y)+(x+1)

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

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

hope it helps you.

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