m^4(m-2)+16(2-m)快.急用.’‘’‘’‘

问题描述:

m^4(m-2)+16(2-m)快.急用.’‘’‘’‘

因式分解吗?
m^4(m-2)+16(2-m)
=m^4(m-2)-16(2-m)
=(m-2)(m^4-16)
=(m-2)(m^2+4)(m^2-4)
=(m-2)(m^2+4)(m+2)(m-2)
=(m-2)^2(m^2+4)(m+2)