Factorise:
(i) x³ - 3x² - 9x - 5
(ii) x³ - 2x² - x + 2
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Step-by-step explanation:
2. x^3-2x^2-x+2
(x x x) -(2 - x + 2 )
=x2 -(2 - x) - x + 2)
= (x - 2)(x + 2)
1.
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