(m-n)(x-y)-(n-m)(x+y)因式分解
问题描述:
(m-n)(x-y)-(n-m)(x+y)因式分解
答
(m-n)(X-Y)-(n-m)(X+Y) =(m-n)(X-Y)+(m-n)(X+Y)=(m-n)(X-Y+X+Y)=2X(M-n)
(m-n)(x-y)-(n-m)(x+y)因式分解
(m-n)(X-Y)-(n-m)(X+Y) =(m-n)(X-Y)+(m-n)(X+Y)=(m-n)(X-Y+X+Y)=2X(M-n)