因式分解:-m^4次方+1

问题描述:

因式分解:-m^4次方+1

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

-m^4次方+1
=1-m^4
=(1+m²)(1-m²)
=(1+m²)(1+m)(1-m)