Question

factorise x⁴-3x²+2

please help me
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Answer 1

Answer:

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Answer 2

Step-by-step explanation:

$say \: y = {x}^{2} \\ therefore \: given \: {y}^{2} - 3y + 2 \\ = (y - 2) \times (y - 1) \\ = ( {x}^{2} - 2) \times ( {x}^{2} - 1) \\ = (x - \sqrt{2} ) \times (x + \sqrt{2} ) \times (x - 1) \times (x + 1)$

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