Question

$x ^{3} - 2x {}^{2} - x + 2$
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Answer 1

${\bold{\purple{\boxed{\bf{\dag Question}}}}}$

Factorise :-

$x {}^{3} - 2x {}^{2} - x + 2$

${\bold{\purple{\boxed{\bf{\dag Solution}}}}}$

$\sf\longrightarrow x {}^{3} - 2x {}^{2} - x + 2$

taking x - 2 common

$\sf\longrightarrow x^2(x - 2)-1( x - 2)$

$\sf\longrightarrow (x^2 - 1)(x-2)$

$a^2 - b^2 = (a+b)(a-b)$

$\sf\longrightarrow (x+1)(x-1)(x-2)$

${\bold{\blue{\boxed{\bf{\dag (x+1)(x-1)(x-2)}}}}}$

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Answer 2

Answer:

mark as brainliest answer.

Step-by-step explanation:

answer is in attachment