Question

5. Factorise :
(i) x³ - 2x²- x + 2​

Answer 1

Answer:

$(x - 2)(x - 1)(x + 1)$

Step-by-step explanation:

${x}^{3} - 2 {x}^{2} - x + 2 \\ = {x}^{2}(x - 2) - 1(x - 2) \\ = ( x - 2)( {x}^{2} - 1) \\ = ( x - 2)(x - 1)(x + 1)$

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