AX^2Y+BY+CX-DXY=0 Y^2-XY+E=0,A,B,C,D,E为常数,求X,

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AX^2Y+BY+CX-DXY=0Y^2-XY+E=0,A,B,C,D,E为常数,求X,AX^2Y+BY+CX-DXY=0Y^2-XY+E=0,A,B,C,D,E为常数,求X,AX^2Y+BY+CX-

AX^2Y+BY+CX-DXY=0 Y^2-XY+E=0,A,B,C,D,E为常数,求X,
AX^2Y+BY+CX-DXY=0 Y^2-XY+E=0,A,B,C,D,E为常数,求X,

AX^2Y+BY+CX-DXY=0 Y^2-XY+E=0,A,B,C,D,E为常数,求X,
Y^2-XY+E=0---> X=(Y^2+E)/Y,代入第1个方程,并去分母:
A(Y^4+2EY^2+E^2)+BY^3+C(Y^2+E)Y-D(Y^2+E)Y^2=0
这是一个4次方程,可依求根公式求出Y,进而求出X.