分解因式4x²y²-(x²+y²-z²)²

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分解因式4x²y²-(x²+y²-z²)²
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分解因式4x²y²-(x²+y²-z²)²
分解因式4x²y²-(x²+y²-z²)²

分解因式4x²y²-(x²+y²-z²)²
4x²y²-(x²+y²-z²)²
=(2xy+x²+y²-z²)(2xy-x²-y²+z²)
=[(x+y)²-z²][z²-(x-y)²]
=(x+y+z)(x+y-z)(x-y+z)(z+y-x)