计算 2(m^2-3m+4)-3(2m-m^2)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/24 05:17:46
计算2(m^2-3m+4)-3(2m-m^2)计算2(m^2-3m+4)-3(2m-m^2)计算2(m^2-3m+4)-3(2m-m^2)2(m^2-3m+4)-3(2m-m^2)=2m²-

计算 2(m^2-3m+4)-3(2m-m^2)
计算 2(m^2-3m+4)-3(2m-m^2)

计算 2(m^2-3m+4)-3(2m-m^2)
2(m^2-3m+4)-3(2m-m^2)
=2m²-6m+8-6m+3m²
=5m²-12m+8;
手机提问的朋友在客户端右上角评价点【满意】即可.

解2(m^2-3m+4)-3(2m-m^2)
=2m^2-6m+8-6m-3m^2
=-m^2-12m+8

2(m^2-3m+4)-3(2m-m^2)
=2m^2-6m+8-6m+3m^2
=5m^2-12m+8

=2m^2-6m+8-6m+3m^2
=5m^2-12m+8