Question

Factorise 3x^3+x^2-3x+1​

Answer 1

Answer:

3x3−x2−3x+1

=3x3−3x−x2+1

=3x(x2−1)−(x2−1)

=(x2−1)(3x−1)

=(x+1)(x−1)(3x−1)

Answer 2

Answer:

3x3−x2−3x+1

=3x3−3x−x2+1

=3x(x2−1)−(x2−1)

=(x2−1)(3x−1)

=(x+1)(x−1)(3x−1)

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