2
x 2*x
-1 - -------- + -----
2 3 + x
(3 + x)
---------------------
2
(3 + x)
$$\frac{1}{\left(x + 3\right)^{2}} \left(- \frac{x^{2}}{\left(x + 3\right)^{2}} + \frac{2 x}{x + 3} - 1\right)$$
(-1.0 - x^2/(3.0 + x)^2 + 2.0*x/(3.0 + x))/(3.0 + x)^2
Рациональный знаменатель
[src] / 2 2\ 2
(3 + x)*\- x - (3 + x) / + 2*x*(3 + x)
----------------------------------------
5
(3 + x)
$$\frac{1}{\left(x + 3\right)^{5}} \left(2 x \left(x + 3\right)^{2} + \left(x + 3\right) \left(- x^{2} - \left(x + 3\right)^{2}\right)\right)$$
Объединение рациональных выражений
[src] 2 2
- x - (3 + x) + 2*x*(3 + x)
-----------------------------
4
(3 + x)
$$\frac{1}{\left(x + 3\right)^{4}} \left(- x^{2} + 2 x \left(x + 3\right) - \left(x + 3\right)^{2}\right)$$
-9
-------------------------------
4 3 2
81 + x + 12*x + 54*x + 108*x
$$- \frac{9}{x^{4} + 12 x^{3} + 54 x^{2} + 108 x + 81}$$
2
2*x x
-1 + ----- - --------
3 + x 2
(3 + x)
---------------------
2
(3 + x)
$$\frac{1}{\left(x + 3\right)^{2}} \left(- \frac{x^{2}}{\left(x + 3\right)^{2}} + \frac{2 x}{x + 3} - 1\right)$$
-9
-------------------------------
4 3 2
81 + x + 12*x + 54*x + 108*x
$$- \frac{9}{x^{4} + 12 x^{3} + 54 x^{2} + 108 x + 81}$$
$$- \frac{9}{\left(x + 3\right)^{4}}$$