化简(m-1)(m+1)(m-1)
问题描述:
化简(m-1)(m+1)(m-1)
答
(m-1)(m+1)(m-1)=(m-1)[(m+1)(m+1)]=(m-1)(m²-1)=m³-m-m²-1
化简(m-1)(m+1)(m-1)
(m-1)(m+1)(m-1)=(m-1)[(m+1)(m+1)]=(m-1)(m²-1)=m³-m-m²-1