1) 16x^2 = 416x^2 - 49 = (4x + 7)(4x - 7) = 4x + 7 = 0 or 4x - 7 = x = -7/4 or x = 7/4
2) x^2 - 2x - 35 = (x - 7)(x + 5) = x - 7 = 0 or x + 5 = x = 7 or x = -5
Ответ: x = -7/4, x = 7/4, x = 7, x = -5.
1) 16x^2 = 4
16x^2 - 49 =
(4x + 7)(4x - 7) =
4x + 7 = 0 or 4x - 7 =
x = -7/4 or x = 7/4
2) x^2 - 2x - 35 =
(x - 7)(x + 5) =
x - 7 = 0 or x + 5 =
x = 7 or x = -5
Ответ: x = -7/4, x = 7/4, x = 7, x = -5.