Vatanvozh
6 год назад
Решите уравнение
(1/2 - 5х)^2 + 3/4 = (5х - 4)^2
ОТВЕТЫ
Перфильев
Jul 7, 2019
1/4 - 5x + 25x^2 + 3/4 = 25x^2 - 40x + 16
1 - 5x + 40x + 25x^2 - 25x^2 - 16 = 0
35x - 15 = 0
35x = 15
x = 15/35
x = 3/7
1 - 5x + 40x + 25x^2 - 25x^2 - 16 = 0
35x - 15 = 0
35x = 15
x = 15/35
x = 3/7
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