[3x³+3x]/[x²+1]的结果是?怎样算?
问题描述:
[3x³+3x]/[x²+1]的结果是?怎样算?
答
=3x(x²+1)/(x²+1)提取公因式3X
=3x
[3x³+3x]/[x²+1]的结果是?怎样算?
=3x(x²+1)/(x²+1)提取公因式3X
=3x