Question

factorise polynomial 3x²-x²-3x+1​

Answer 1

Answer:

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Answer 2

Answer →

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

Hence, you get your answer.