1
----------
2
x *(4 + x)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
-1/(16*x) + 1/(4*x^2) + 1/(16*(4 + x))
$$\frac{1}{16 \left(x + 4\right)} - \frac{1}{16 x} + \frac{1}{4 x^{2}}$$
1 1 1
- ---- + ---- + ----------
16*x 2 16*(4 + x)
4*x
Подстановка условия
[src]
1/(x^2*(x + 4)) при x = -1
1
1*----------
2
x *(x + 4)
$$1 \cdot \frac{1}{x^{2} \left(x + 4\right)}$$
1
----------
2
x *(4 + x)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
$$x = -1$$
1
----------------
2
(-1) *(4 + (-1))
$$\frac{1}{(-1)^{2} \left((-1) + 4\right)}$$
1
-------------
2
(-1) *(4 - 1)
$$\frac{1}{1 \left(-1 + 4\right)}$$
$$\frac{1}{3}$$
1
----------
2
x *(4 + x)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
1
----------
2
x *(x + 4)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
Объединение рациональных выражений
[src]
1
----------
2
x *(4 + x)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
Рациональный знаменатель
[src]
$$\frac{1}{x^{3} + 4 x^{2}}$$
1
----------
2
x *(4 + x)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
1
----------
2
x *(4 + x)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
1
----------
2
x *(x + 4)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
1
----------
2
x *(4 + x)
$$\frac{1}{x^{2} \left(x + 4\right)}$$
$$\frac{1}{x^{3} + 4 x^{2}}$$