Mathematics
Senior High
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この式の解の解説をお願いします

x3-6x2+12x-8

Answers

✨ Best Answer ✨

a³-3a²b+3ab²-b³=(a-b)³の公式を使って

x³-6x+12x-8
=x³ +3×x²×-2 +3×x×(-2)² +(-2)³
=(x-2)³

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