x³-x²-x+1因式分解

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x³-x²-x+1因式分解x³-x²-x+1因式分解x³-x²-x+1因式分解x³-x²-x+1=x²(x-1

x³-x²-x+1因式分解
x³-x²-x+1因式分解

x³-x²-x+1因式分解
x³-x²-x+1
=x²(x-1)-(x-1)
=(x²-1)(x-1)
=(x+1)(x-1)^2