x³-x²+x-1怎么成为(x-1)(x²+1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 19:17:44
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x³-x²+x-1怎么成为(x-1)(x²+1)
x³-x²+x-1怎么成为(x-1)(x²+1)
x³-x²+x-1怎么成为(x-1)(x²+1)
x³-x²+x-1~前面两项提出公因式x²
=x²(x-1)+(x-1)~整个式子提出公因式x-1
=(x-1)(x²+1)~最终结果
x³-x²+x-1=x²(x-1)+(x-1)=(x-1)(x²+1)