Ответ:
x = 5
Объяснение:
x/x+5 - 25/x²+5x = 0
x/x+5 - 25/x*(x+5) = 0
x² - 25/x*(x+5) = 0
(x-5)*(x+5)/x*(x+5) = 0
x- 5/x = 0
x - 5 = 0
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Ответ:
x = 5
Объяснение:
x/x+5 - 25/x²+5x = 0
x/x+5 - 25/x*(x+5) = 0
x² - 25/x*(x+5) = 0
(x-5)*(x+5)/x*(x+5) = 0
x- 5/x = 0
x - 5 = 0
x = 5