x^2-10x+25-6xy+9y^2+30y
(x-2xy)*(-xy+2y*y)-(3x*x-2xy)(x-9xy+6y*y)
x^2-10x+25-6xy+9y^2+30y
因式分解x^2-6xy+9y^2-10x+30y+25
化简:x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y)
10道因式分解.快.1.x^2-y^2+2y-12.x^2-10xy+25y^2-6x+30y+83.x(x-4)(x-
x*-2xy+3y*=9 4x*-5xy+6y*=30
1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y)
(xy-x^2)乘以(xy)/(x-y)
7.X*X+2X+Y*Y-6Y+10=0,则xy=?
(x^2+xy/x-y)/(xy/x-y)计算
x^2-xy-6y^2+3xy+y+2
9xy(x-y)(x+1)-3y(x-y)(3x+2y)+6y的平方(x-y)(x+1),因式分解