How do I factorise t³-3t-2

asked Jan 16, 2018 83.5k views

4 votes

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2 votes

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

Chandria answered Jan 17, 2018

8.3k points

6 votes

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

Lukasz Muzyka answered Jan 21, 2018

8.7k points

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