Пошаговое объяснение:
3/x+y + 5/x-y = (3*(x-y)+5*(x+y))/(x+y)*(x-y)
(3x-3y + 5x+5y)/x^2-y^2
(8x+2y)/x^2-y^2
2(4х+у)/х^2-у^2 - ответ
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Пошаговое объяснение:
3/x+y + 5/x-y = (3*(x-y)+5*(x+y))/(x+y)*(x-y)
(3x-3y + 5x+5y)/x^2-y^2
(8x+2y)/x^2-y^2
2(4х+у)/х^2-у^2 - ответ