factorise x6/343+343/x6
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Sorry but I also want to know this......
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Step-by-step explanation:
(x²/7)³+(7/x²)³
(x²/7+7x²)[(x²/7)²+(7/x²)²-x²/7×7/x²]
(x²/7+7/x²)(x⁴/49+49/x⁴-1)
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