2m^2-2m+1/2因式分解

问题描述:

2m^2-2m+1/2因式分解

2m^2-2m+1/2
= 2( m^2-m+1/4)
= 2(m-1/2)²

=1/2(4m²-4m+1)
=1/2(2m-1)²