6X^2-6X^3-X+1=(1-X)(6X^2+1)怎么得到的?
问题描述:
6X^2-6X^3-X+1=(1-X)(6X^2+1)怎么得到的?
答
解
6x²-6x³-x+1
=6x²(1-x)+(1-x)
=(1-x)(6x²+1)