因式分解1/2y^2-y+1/2(1/2)y^2-y+(1/2)

Question

因式分解1/2y^2-y+1/2
(1/2)y^2-y+(1/2)

Answer 1

（½y-½）（y-1）
½y²-y+½
=½（y²-2y+1）
=½[(y-1)(y-1)]
=（½y-½）（y-1）