4m²+p（m+n）²+12m（m+n）分解因式求解

来源：学生作业学帮网编辑：学帮网时间：2024/07/05 18:26:15

4m" + 9( m + n )" + 12m( m + n )
= ( 2m )" + [ 3( m + n ) ]" + 2( 2m )[ 3(m+n) ]
= ( 2m + 3m + 3n )"
= ( 5m + 3n )"