4x^2 - 25 = 0
(2x - 5)(2 + 5) = 0
(2x - 5) = 0 или (2 + 5) = 0
2x = 5; 2x = -5
x = 5/2 ; x = -5/ 2
x =.... x =....
Ответ: .... ; ....
Вместо точек вставьте нужное значение!!!
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