1) x^2 - 14x - 32 = (x - 16)(x + 2) = x1 = 1x2 = -2
2) 5x^2 - 12x + 7 = No real roots
3) -2x^2 + x + 15 = (-2x - 3)(x - 5) = x1 = -3/x2 = 5
4) -2y^2 + 9y - 10 = (-2y + 5)(y - 2) = y1 = 5/y2 = 2
Уравнение 20Б не указано в вопросе.
1) x^2 - 14x - 32 =
(x - 16)(x + 2) =
x1 = 1
x2 = -2
2) 5x^2 - 12x + 7 =
No real roots
3) -2x^2 + x + 15 =
(-2x - 3)(x - 5) =
x1 = -3/
x2 = 5
4) -2y^2 + 9y - 10 =
(-2y + 5)(y - 2) =
y1 = 5/
y2 = 2
Уравнение 20Б не указано в вопросе.