factorise x^3-2x^2-x+2
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Answer:
(x-2)(x+1)(x-1)
Step-by-step explanation:
=x^3-2x^2-x+2
=x^2(x-2)-1(x-2)
=(x-2)(x^2-1)
=(x-2)(x+1)(x-1)
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Answer:
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