Question

factorise the question using factor theorem x cube + 2 x square minus x minus 2​

Answer 1

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

Step-by-step explanation:

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

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Answer 2

Answer:

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

Step-by-step explanation:

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