Question

factorise = x³-2x²-x+2​

Answer 1

the answer is un solveable I think you have made a mistake in writing the question

Answer 2

$→ {x}^{2} \times (x - 2) - ( x - 2) \\→ (x - 2) \times ( {x}^{2} - 1) \\ → (x - 2) \times (x - 1) \times (x + 1)$

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hope it's helps you !!!