方程10x^2-16xy+8y^2+6x-4y+1=0 则x-y等于?10x^2-16xy+8y^2+6x-4y+1=0 则x-y等于?

方程10x^2-16xy+8y^2+6x-4y+1=0 则x-y等于?10x^2-16xy+8y^2+6x-4y+1=0 则x-y等于? 化简分式方程:x*x-xy-y*y/x*x-3x-6y+2xy 解方程:x²+2xy+6x+2y²+4y+10=02.求方程:x²+y²-8x+10y+16=0的整数解 因式分解30题(要过程)am+an+bm+bn x^2+5y-xy-5x x2+xy+2xz+x (a+b)x-(b+a)y -12x(x-y)-(y-x)x^2 2x^2+4x+2 x(x+z)-y(y+z) 2(x^2-3ab)+x(4a-3b) 4x^2+12xy+9y^2-25 x^4-16 16x^4-1 x^2+9x+8 x^2-10xy+24y^2 2x^2+15xy-8y^2 3x^2-6xy+3y^2 24x^2+22x-21 -x^2+4xy- 因式分解x²+y²-2xy-10x+10y+16 2x²+3xy-2y²-x+8y-6提示 十字相乘法是两题啊 因式分解xy(xy+2)+6(xy+8)-4(x+y-2)^2-16(x+y+1)谢谢 解方程 x^2-6xy+10y^2+10y+25=0 诺x+y=6,xy=4 求(5x-4y-3xy)-(8x-y+2xy) x=-3分之2 ,y=4分之3,(2+x)(x^2-2x+4)-(x-y)(x^2+xy+y^2)的值.解下列方程7-(2x+1)(4x^2-2x+10+8x(x+1)^2=16(x-1)^2(x-1)(x^2+x+2)-（1+x)（1-x）^2=1 x^+2xy+y^+4=16 x^-2xy+y^=16 求(3xy+6y^)+|x^-(2xy+2y^-3x^)|的值 [ 2x-6y][8-9xy]÷xy等于? xy-2x+6y-12 xy+8 解方程x^2y^2-8xy+4x^2+y^2+4=0 解方程：（x^2+1)(y^2+1)=10 (x+y)(xy-1)=3 解方程xy'=(√x^2-y^2)+y 求解方程Y'X^2=XY-Y^2 根号(1-x)^2=x-1 解方程 2x^4=3(3+x)(3-x) 解方程 解方程组：（x+y)^2-6(x+y)+8=0 3x^2-2xy-y^2=8 x²-xy-6y²-2x+11y-3;2x²-xy-6y²+3x+8y-2; 3x²+10xy-8y²-11x+26y-20;