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1 May, 01:11

Which identity could be used to rewrite the expression? x^6-27

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  1. 1 May, 01:35
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    Hello,

    a³-b³ = (a-b) (a²+ab+b²)

    x^6-27 = (x²) ³-3³ = (x²-3) (x⁴+3x²+9)
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