x^2-y^2-2(x-y)≤0怎么转化成(x-y)(x+y-2)≤0
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x^2-y^2-2(x-y)≤0怎么转化成(x-y)(x+y-2)≤0
x^2-y^2-2(x-y)≤0怎么转化成(x-y)(x+y-2)≤0
x^2-y^2-2(x-y)≤0怎么转化成(x-y)(x+y-2)≤0
就是不等式左边因式分解,很简单.
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