x的3次方-x的2次方-x+1因式分解

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x的3次方-x的2次方-x+1因式分解x的3次方-x的2次方-x+1因式分解x的3次方-x的2次方-x+1因式分解x³-x²-x+1=x²(x-1)-(x-1)=(x-1

x的3次方-x的2次方-x+1因式分解
x的3次方-x的2次方-x+1
因式分解

x的3次方-x的2次方-x+1因式分解
x³-x²-x+1
= x²(x-1)-(x-1)
= (x-1)(x²-1)
= (x-1)(x+1)(x-1)
= (x-1)²(x+1)
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解x^3-x^2-x+1
=x^2(x-1)-(x-1)
=(x^2-1)(x-1)
=(x+1)(x-1)(x-1)
=(x+1)(x-1)^2