2m^2-2m+1/2因式分解
问题描述:
2m^2-2m+1/2因式分解
答
2m^2-2m+1/2
= 2( m^2-m+1/4)
= 2(m-1/2)²
答
=1/2(4m²-4m+1)
=1/2(2m-1)²