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