若m^2-2m=1则3m^2-6m+2012=

来源：学生作业学帮网编辑：学帮网时间：2024/05/14 17:10:07

m^2-2m=1
3m^2-6m＝3(m^2-2m)=3
所以
3m^2-6m+2012
＝3＋2012
＝2015

3m^2-6m+2012
=3(m^2-2m)+2012
=3+2012
=2015