Question

factorise x cube -2x square -x+2​

Answer 1

Answer:

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

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

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

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Answer 2

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Let x = 1

So,

${1}^3 - {2}{(1)}^2 - 1 +2$

==> 1 - 2 + 1

==> 0

=====> x - 1

Now,

Divide P (x) = ${x}^3 - {2}{x}^2 - {x} + {2}$ by ( x - 1 )

For Next step, refer the attachment ✌

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$\bf\underline{Answer = ( x - 1 ) ( x + 1 ) ( x - 2 )}$✔

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Thanks ;)