(m^3-m)/(2m+2)化简
问题描述:
(m^3-m)/(2m+2)化简
答
m(m+1)(m-1)/[2(m+1)]
=m(m-1)/2
(m^3-m)/(2m+2)化简
m(m+1)(m-1)/[2(m+1)]
=m(m-1)/2