Подстановка условия
[src]-3 + (3*(x + 3))/2 - 3*(x + 3)*(x + 1) + (((7*(x + 3))*(x + 1))*(x - 1))/48 при x = 2
-3 + (3*(x + 3))/2 - 3*(x + 3)*(x + 1) + (((7*(x + 3))*(x + 1))*(x - 1))/48
$$\frac{1}{48} 7 \left(x - 1\right) \left(x + 1\right) \left(x + 3\right) + - 3 \left(x + 1\right) \left(x + 3\right) + \frac{3}{2} \left(x + 3\right) - 3$$
-3 + (3*((2) + 3))/2 - 3*((2) + 3)*((2) + 1) + (((7*((2) + 3))*((2) + 1))*((2) - 1))/48
$$\frac{1}{48} 7 \left((2) - 1\right) \left((2) + 1\right) \left((2) + 3\right) + - 3 \left((2) + 1\right) \left((2) + 3\right) + \frac{3}{2} \left((2) + 3\right) - 3$$
-3 + (3*(2 + 3))/2 - 3*(2 + 3)*(2 + 1) + (((7*(2 + 3))*(2 + 1))*(2 - 1))/48
$$- 3 \left(1 + 2\right) \left(2 + 3\right) + -3 + \frac{3}{2} \left(2 + 3\right) + \frac{1}{48} 7 \left(-1 + 2\right) \left(1 + 2\right) \left(2 + 3\right)$$
3 3*x (1 + x)*(-1 + x)*(21 + 7*x)
- + --- - (1 + x)*(9 + 3*x) + ---------------------------
2 2 48
$$\frac{3 x}{2} + \frac{1}{48} \left(x - 1\right) \left(x + 1\right) \left(7 x + 21\right) - \left(x + 1\right) \left(3 x + 9\right) + \frac{3}{2}$$
1.5 + 1.5*x - 3.0*(1.0 + x)*(3.0 + x) + 0.145833333333333*(1.0 + x)*(3.0 + x)*(-1.0 + x)
Рациональный знаменатель
[src]3 3*x (1 + x)*(-1 + x)*(21 + 7*x)
- + --- - (1 + x)*(9 + 3*x) + ---------------------------
2 2 48
$$\frac{3 x}{2} + \frac{1}{48} \left(x - 1\right) \left(x + 1\right) \left(7 x + 21\right) - \left(x + 1\right) \left(3 x + 9\right) + \frac{3}{2}$$
Объединение рациональных выражений
[src]/1 x \
|-- + --|*(-360 - 144*x + 7*(-1 + x)*(3 + x))
\48 48/
$$\left(\frac{x}{48} + \frac{1}{48}\right) \left(- 144 x + 7 \left(x - 1\right) \left(x + 3\right) - 360\right)$$
2 3
127 511*x 41*x 7*x
- --- - ----- - ----- + ----
16 48 16 48
$$\frac{7 x^{3}}{48} - \frac{41 x^{2}}{16} - \frac{511 x}{48} - \frac{127}{16}$$
3*(x + 3) 7*(x + 3)*(x + 1)*(x - 1)
-3 + --------- + ------------------------- - 3*(x + 3)*(x + 1)
2 48
$$\frac{1}{48} 7 \left(x - 1\right) \left(x + 1\right) \left(x + 3\right) - 3 \left(x + 1\right) \left(x + 3\right) + \frac{3}{2} \left(x + 3\right) - 3$$
2 3
127 511*x 41*x 7*x
- --- - ----- - ----- + ----
16 48 16 48
$$\frac{7 x^{3}}{48} - \frac{41 x^{2}}{16} - \frac{511 x}{48} - \frac{127}{16}$$
/ 2\
(1 + x)*\-381 - 130*x + 7*x /
-----------------------------
48
$$\frac{1}{48} \left(x + 1\right) \left(7 x^{2} - 130 x - 381\right)$$