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Factorise x cube - 2x square - x + 2

Answer» x³ - 2x² - x + 2=> x²(x - 2) - 1(x - 2)=> (x - 2)(x² - 1)=> (x - 2){(x)² - (1)²}=> (x - 2)(x - 1)(x + 1)\xa0


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