4.因式分解x2(x-y)+y2(y-x)=(x+y)(x-y)^2
x2-xy-2y2-x+5y-2因式分解
因式分解 x2+xy-2y2-x+7y-6
2x2+xy-3y2+x+4y-1因式分解
因式分解X2(Y+Z)+Y2(Z+X)+Z2(X+Y)-(X3+Y3+Z3)-2XYZ
x2(x-y)+y2(y+x)因式分解,2是平方的意思
因式分解x2+y-xy-x
x(x-y)-y(y-x)+(x-y)²因式分解
因式分解x²(x-2y)+y²(2y-x)
2x(x-y)4-x2(x-y)2+xy(y-x)2 如何因式分解
因式分解 x2(x+1)-y(xy+x)
因式分解方法x2-xy+2x-y-3是x方-xy+2x-y-3,
我做对了吗.x2(x-y)+y2(y-x)= x2(x-y)-y2(x-y)=x2-y2=(x+y)(x-y)