Mathematics
Senior High
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五番の解き方を教えてくださいお願いします

(5)x'+2x-2x-1 2 (1) (a+b+c)(a²+b²

Answers

✨ Best Answer ✨

(与式)=(x³-1)+(2x²-2x)
=(x-1)(x²+x+1)+2x(x-1)
=(x-1)(x²+3x+1)

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