因式分解(x²+x+1)²-1(x²+x+1)²-1
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因式分解(x²+x+1)²-1(x²+x+1)²-1因式分解(x²+x+1)²-1(x²+x+1)²-1因式分解(x&#
因式分解(x²+x+1)²-1(x²+x+1)²-1
因式分解(x²+x+1)²-1
(x²+x+1)²-1
因式分解(x²+x+1)²-1(x²+x+1)²-1
答:应用平方差公式
(x²+x+1)²-1
=(x²+x+1-1)(x²+x+1+1)
=x(x+1)(x²+x+2)