24 24
------ + ------ = 10
5+х 5-х
24(5-х) + 24(5+х)
------------------------- = 10
(5+х)*(5-х)
24(5-х+5+х)
------------------- = 10
25 - х^2
24*10
----------- = 10
25 - х^2
24
----------- = 1
25 - х^2
24 = 25 - x^2
x^2 = 25-24 = 1
x1 = 1 ___ x2 = -1