因式分解:(x^2+25y^2)^2-100x^2y^2

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因式分解:(x^2+25y^2)^2-100x^2y^2

(x^2+25y^2)^2-100x^2y^2
=(x^2+25y^2+10xy)(x^2+25y^2-10xy)
=(x+5y)^2*(x-5y)^2