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10-02-2017
Mathematics

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Which linear expression is a factor of the polynomial function f(x)=X^3+2X^2-X-2

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Аноним Аноним

10-02-2017

X^3+2X^2-X-2
=X^2(X+2)-(X+2)
=(X+2)(X^2-1)
=(X+2)(X-1)(X+1)

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