1) 16x - x^3 = 0x(16 - x^2) = 0x = 0, √16 = 4, -√16 = -4
Ответ: x = 0, x = 4, x = -4
2) 6x^4 - 24x^2 = 06x^2(x^2 - 4) = 06x^2(x + 2)(x - 2) = 0
Ответ: x = 0, x = -2, x = 2
3) (x + 1)x^2 - 4(x + 1) = 0(x + 1)(x^2 - 4) = 0(x + 1)(x + 2)(x - 2) = 0
Ответ: x = -1, x = 2, x = -2
4) y^3 - y^2 = 25y - 25y^3 - y^2 - 25y + 25 = 0y^2(y - 1) - 25(y - 1) = 0(y - 1)(y^2 - 25) = 0(y - 1)(y - 5)(y + 5) = 0
Ответ: y = 1, y = -5, y = 5
1) 16x - x^3 = 0
x(16 - x^2) = 0
x = 0, √16 = 4, -√16 = -4
Ответ: x = 0, x = 4, x = -4
2) 6x^4 - 24x^2 = 0
6x^2(x^2 - 4) = 0
6x^2(x + 2)(x - 2) = 0
Ответ: x = 0, x = -2, x = 2
3) (x + 1)x^2 - 4(x + 1) = 0
(x + 1)(x^2 - 4) = 0
(x + 1)(x + 2)(x - 2) = 0
Ответ: x = -1, x = 2, x = -2
4) y^3 - y^2 = 25y - 25
y^3 - y^2 - 25y + 25 = 0
y^2(y - 1) - 25(y - 1) = 0
(y - 1)(y^2 - 25) = 0
(y - 1)(y - 5)(y + 5) = 0
Ответ: y = 1, y = -5, y = 5