若整数x,y满足x²+4x+y²-6y+13=0,求x,y的值
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若整数x,y满足x²+4x+y²-6y+13=0,求x,y的值
![若整数x,y满足x²+4x+y²-6y+13=0,求x,y的值](/uploads/image/z/8004143-47-3.jpg?t=%E8%8B%A5%E6%95%B4%E6%95%B0x%2Cy%E6%BB%A1%E8%B6%B3x%26%23178%3B%2B4x%2By%26%23178%3B%EF%BC%8D6y%2B13%3D0%2C%E6%B1%82x%2Cy%E7%9A%84%E5%80%BC)
原式等于=(x+2)^2+(y-3)^2=0.a^2>=0,x=-2 y=3
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