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Factorise: (i) x^3-2x^2-x+2 (ii) x^3-...

Factorise:
(i) `x^3-2x^2-x+2`
(ii) `x^3-3x^2-9x-5`
(iii) `x^3+13 x^2+32 x+20`
(iv) `2y^3+y^2-2y-1`

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Let's solve the given polynomial factorization problems step by step. ### (i) Factorise: `x^3 - 2x^2 - x + 2` 1. **Group the terms**: \[ (x^3 - 2x^2) + (-x + 2) \] ...
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