FluffyFerret FluffyFerret

18-06-2017
Mathematics

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How do I factorise t³-3t-2

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Аноним Аноним

18-06-2017

i think it would stay the same as t^3 cannot be factorised nether can the 3t or the 2 so it would be the same

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Banabanana Banabanana

18-06-2017

t³ - 3t - 2 = t³ - 4t + t - 2 = t(t²-4) + t - 2 = t(t-2)(t+2) + (t-2) =
= (t-2)(t(t+2)+1) = (t-2)(t²+2t+1) = (t-2)(t+1)²

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