Question

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

Answer:

3x 3 −x 2 −3x+1

=3x 3 −3x−x 2 +1

=3x(x 2 −1)−(x 2−1)

=(x 2 −1)(3x−1)

=(x+1)(x−1)(3x−1)

Answer 2

Here's your answer...

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

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

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