化简:(m-1)+2(m²-3m)-(2-m+5m²)
来源:学生学帮网 编辑:学帮网 时间:2024/06/01 12:28:43
化简:(m-1)+2(m²-3m)-(2-m+5m²)
(m-1)+2(m²-3m)-(2-m+5m²)
=m-1+2m²-6m-2+m-5m²
=-3m²-4m-3
化简:(m-1)+2(m²-3m)-(2-m+5m²)
(m-1)+2(m²-3m)-(2-m+5m²)
=m-1+2m²-6m-2+m-5m²
=-3m²-4m-3