m^2x^2+2m^2xy+m^2y^2
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m^2x^2+2m^2xy+m^2y^2
m^2x^2+2m^2xy+m^2y^2
m^2x^2+2m^2xy+m^2y^2
m^2x^2+2m^2xy+m^2y^2
=m^2(x^2+2xy+y^2)
=m^2(x+y)^2
若多项式5x*x-2mxy-3y*y+4xy-3x+1中不含xy项,求(-(m*m*m)+2(m*m)-m+1)-(m*m*m+2m*m-m+4)
m^2x^2+2m^2xy+m^2y^2
(m+n)x^2+2xy(n-2m)+(4m+n)y^2
因式分解:m³-2m²-4m+8;x²-2xy+y²-9
若x²y+M=xy(N+2xy),则M=( ),N=( )
若(x-y)^2+M=x^2+xy+y^2,则M为______
对于任意有理数m,等式(m-2)x+(m+1)*y-m-7=0,求xy的值.
关于xy的方程组x+2y=m+1,x+y=2m求m取值范围
x^2+2(m-1)xy+16y^2
x^2+y^2=2m^2+3m+6 xy=m^2-2m-15 x不等于y 求m的取值范围
x^2+y^2=2m^2+3m+6 xy=m^2-2m-15 x不等于y 求m的取值范围
计算:1.[(m+n)(n-m)-(m+n)^2+3m(m+n)]除以(-2M),其中m=-4,n=2 2.(x+y)(-x+y)-(x-y)^2-(X^2y-xy^2)除
4xy^2+4x^2y+y^3 -m^3+2m^2-m 第一道-m^3+2m^2-m 第二道4xy^2+4x^2y+y^3
设1+2+3+……+m=p,计算:x^m*y*x^m-1*y^2*x^m-2*y^3*^*xy^m.这是原题:设1+2+3+……+m=p,计算:x^m*y*x^m-1*y^2*x^m-2*y^3*……*xy^m.
若x^2-xy+2x+y+m=0可以因式分解,则m=---
(3x²y-2xy²)/M=-3x+2,M等于多少?
已知M-(2x^2-3xy+xy^2)(-xy)=(2x^2 y+xy^2)(x-2y),求多项式M
分解因式:(1)mn(m-n)-m(n-m)(2)x^3-2x^2y+xy^2