Подстановка условия
[src](60 - 20*x)*(x - 1) + ((3*x - 6)*(5 - x))*(x - 1) + 6*(x - 1) при x = 2
(60 - 20*x)*(x - 1) + ((3*x - 6)*(5 - x))*(x - 1) + 6*(x - 1)
$$6 \left(x - 1\right) + \left(- x + 5\right) \left(3 x - 6\right) \left(x - 1\right) + \left(x - 1\right) \left(- 20 x + 60\right)$$
(60 - 20*(2))*((2) - 1) + ((3*(2) - 6)*(5 - (2)))*((2) - 1) + 6*((2) - 1)
$$6 \left((2) - 1\right) + \left(- (2) + 5\right) \left(3 (2) - 6\right) \left((2) - 1\right) + \left((2) - 1\right) \left(- 20 (2) + 60\right)$$
(60 - 20*2)*(2 - 1) + ((3*2 - 6)*(5 - 2))*(2 - 1) + 6*(2 - 1)
$$6 \left(-1 + 2\right) + \left(-6 + 2 \cdot 3\right) \left(- 2 + 5\right) \left(-1 + 2\right) + \left(-1 + 2\right) \left(- 40 + 60\right)$$
-6 + 6*x + (-1 + x)*(60 - 20*x) + (-1 + x)*(-6 + 3*x)*(5 - x)
$$6 x + \left(- 20 x + 60\right) \left(x - 1\right) + \left(- x + 5\right) \left(x - 1\right) \left(3 x - 6\right) - 6$$
-6.0 + 6.0*x + (60.0 - 20.0*x)*(-1.0 + x) + (5.0 - x)*(-1.0 + x)*(-6.0 + 3.0*x)
Рациональный знаменатель
[src]-6 + 6*x + (-1 + x)*(60 - 20*x) + (-1 + x)*(-6 + 3*x)*(5 - x)
$$6 x + \left(- 20 x + 60\right) \left(x - 1\right) + \left(- x + 5\right) \left(x - 1\right) \left(3 x - 6\right) - 6$$
Объединение рациональных выражений
[src](-1 + x)*(66 - 20*x + 3*(-2 + x)*(5 - x))
$$\left(x - 1\right) \left(- 20 x + 3 \left(- x + 5\right) \left(x - 2\right) + 66\right)$$
3 2
-36 - 3*x + 4*x + 35*x
$$- 3 x^{3} + 4 x^{2} + 35 x - 36$$
6*(x - 1) + (3*x - 6)*(5 - x)*(x - 1) + (60 - 20*x)*(x - 1)
$$\left(- x + 5\right) \left(3 x - 6\right) \left(x - 1\right) + \left(x - 1\right) \left(- 20 x + 60\right) + 6 \left(x - 1\right)$$
3 2
-36 - 3*x + 4*x + 35*x
$$- 3 x^{3} + 4 x^{2} + 35 x - 36$$
/ 2\
-(-1 + x)*\-36 - x + 3*x /
$$- \left(x - 1\right) \left(3 x^{2} - x - 36\right)$$