Question

Factorise x³ -2x² - x + 2

Answer 1

Answer:

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Step-by-step explanation:

x^3-2x^2-x+2

x^2(x-2)-1(x-2)

=(x-2)(x^2-1)

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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