(x-5)^2 = (x-8)^2(x-5)(x-5) = (x-8)(x-8)x^2 - 10x + 25 = x^2 - 16x + 640 = -6x + 396x = 39x = 39/6x = 6.5
Ответ: x = 6.5.
(x-5)^2 = (x-8)^2
(x-5)(x-5) = (x-8)(x-8)
x^2 - 10x + 25 = x^2 - 16x + 64
0 = -6x + 39
6x = 39
x = 39/6
x = 6.5
Ответ: x = 6.5.