(-2x²)³+4x³×x³

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(-2x²)³+4x³×x³
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(-2x²)³+4x³×x³
(-2x²)³+4x³×x³

(-2x²)³+4x³×x³
(-2x²)³+4x³×x³
=-8x^6+4x^6
=-4x^6

负4X的6次方

-4x³*x³