因式分解 (m+n)(x-y)-(m+n)(x+y) (x-2y)(2x+3y)-2(2y-x)(5x-y)

把下列各式因式分解(2m+3n)(2m-n)-4n(2m-n)(x+y)^2(x-y)+(x+y)(y-x)^24a(x (x+y)(m+n)2-(x+y)(m+n)2 5m(x-y)的2次方+10n(y-x)的3次方 因式分解 因式分解:(x-y)^2(m-n)+(x+y)^2(n-m) 3m(x-y)-2（y-x）²因式分解 若全集I={(x,y)|x,y∈R},集合M={(x,y)|(y-3)/(x-2)},N{(x,y)|y=x=1},则( 若[-3(x+y)^m*(x-y)^2n]^2*[-(x+y)^2]=-a(x+y)^10*(x-y)^12-n,求m, (x-y)^2-(x-y)^3因式分解 (x+y)^2-3(x-y)因式分解 m(x-y)+n(y-x) 因式分解m²+2m(m-n)+(m-n)²,16-8（x-y）+（x-y）² 因式分解：3a(x-y)+9(y-x)(2m-3n)²-2m+3n