Решите уравнение (7x-5)(7x+5)-24x^2=0

Question

Решите уравнение
(7x-5)(7x+5)-24x^2=0

Answer 1

49x^2 - 25 - 24x^2 =0
25x^2 - 25 = 0
25x^2 = 25
x^2 = 1
x = 1
x = - 1

Answer 2

49x^2 - 25 - 24x^2 =0 25x^2 - 25 = 0 25x^2 = 25 x^2 = 1 -x = 1 x = - 1