化简x+y分之x²-y²-2X-y分之4x(x-y)+y²
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 12:26:47
![化简x+y分之x²-y²-2X-y分之4x(x-y)+y²](/uploads/image/z/3771404-44-4.jpg?t=%E5%8C%96%E7%AE%80x%2By%E5%88%86%E4%B9%8Bx%26%23178%3B-y%26%23178%3B-2X-y%E5%88%86%E4%B9%8B4x%EF%BC%88x-y%EF%BC%89%2By%26%23178%3B)
化简x+y分之x²-y²-2X-y分之4x(x-y)+y²
化简x+y分之x²-y²-2X-y分之4x(x-y)+y²
化简x+y分之x²-y²-2X-y分之4x(x-y)+y²
x+y分之x²-y²-2X-y分之4x(x-y)+y²
=(x+y)(x-y)/(x+y)-(4x²-4xy+y²)/(2x-y)
=x-y-(2x-y)²/(2x-y)
=x-y-2x+y
=-x
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