2x^7-128x factorise
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take 2x common
2x ( x^6 - 64)
2x [ x^6 - 2^6]
2x[ (x³) ² - (2³)² ]
apply a²-b² formula
2x [ ( x³+2³) (x³-2³)]
please make the brainliest answer
apply a³-b³ and a³+b³formulas
2x (x+2) (x²-2x+2²) (x-2) (x²+2x+2²)
2x (x+2) (x²-2x+4) (x-2) (x²+2x+4)
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