Simplify: \acx2−y2x+y\ot\ac1x−y\ac{x^2 - y^2}{x+y} \ot \ac{1}{x-y}\acx2−y2x+y\ot\ac1x−y (assume xeq yx eq \ yxeq y).
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x+yx+yx+y
x−yx-yx−y