因式分解:(x^2-2xy)^2-(2xy-4y^2)^2
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因式分解:(x^2-2xy)^2-(2xy-4y^2)^2
因式分解:(x^2-2xy)^2-(2xy-4y^2)^2
因式分解:(x^2-2xy)^2-(2xy-4y^2)^2
(x^2-2xy)^2-(2xy-4y^2)^2 =X^2*(X-2Y)^2-(2Y)^2*(X-2Y)^2=(X-2Y)^2*(X^2-4Y^2)=
(X-2Y)^2*(X+2Y)*(X-2Y)=(X+2Y)*(X-2Y)^3