plz factorise this by using identify question is x^3 -2x^2-x+2
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★ refer to attachment
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ved3331:
plz use identity plzzzz this is a request
i have used identity, please see the attachment properly
which identity
the identity used in this→ a^2-b^2= (a+b)(a-b)
okay thanks
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no problem
Answered by
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x³-2x²-x+2=x²(x-2) -1(x-2) = (x²-1)(x-2)= (x²-1²)(x-2)= (x+1)(x-1)(x-2)
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