x^2-(2m+2)x+m^2+5=0有两个不等实根
△=(2m+2)^2-4(m^2+5)
=4m^2+8m+4-4m^2-20
=8m-16>0
m>2
|1-m|+√(m^2-4m+4)
=m-1+√(m-2)^2
=m-1+m-2
=2m-3
x^2-(2m+2)x+m^2+5=0有两个不等实根
△=(2m+2)^2-4(m^2+5)
=4m^2+8m+4-4m^2-20
=8m-16>0
m>2
|1-m|+√(m^2-4m+4)
=m-1+√(m-2)^2
=m-1+m-2
=2m-3