因式分解2(x+y)^2-8x^2y^2

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因式分解2(x+y)^2-8x^2y^2因式分解2(x+y)^2-8x^2y^2因式分解2(x+y)^2-8x^2y^22(x+y)^2-8x^2y^2=2[(x+y)²-4x²y

因式分解2(x+y)^2-8x^2y^2
因式分解2(x+y)^2-8x^2y^2

因式分解2(x+y)^2-8x^2y^2
2(x+y)^2-8x^2y^2
=2[(x+y)²-4x²y²]
=2(x+y+2xy)(x+y-2xy)

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