/-9 + 3*x 5*x \ / 14*x 5*x \
|-------- + -------|*|- -------- + -----|
| 3 + x 2| | 2 3 + x|
\ -9 + x / \ (3 + x) /
$$\left(\frac{5 x}{x + 3} - \frac{14 x}{\left(x + 3\right)^{2}}\right) \left(\frac{5 x}{x^{2} - 9} + \frac{3 x - 9}{x + 3}\right)$$
(3.0*(-3.0 + x)/(3.0 + x) + 5.0*x/(-9.0 + x^2))*(5.0*x/(3.0 + x) - 14.0*x/(3.0 + x)^2)
Рациональный знаменатель
[src]// 2\ \ / 2\
\\-9 + x /*(-9 + 3*x) + 5*x*(3 + x)/*\-14*x*(3 + x) + 5*x*(3 + x) /
-------------------------------------------------------------------
/ 2\ 4
\-9 + x /*(3 + x)
$$\frac{1}{\left(x + 3\right)^{4} \left(x^{2} - 9\right)} \left(5 x \left(x + 3\right) + \left(3 x - 9\right) \left(x^{2} - 9\right)\right) \left(5 x \left(x + 3\right)^{2} - 14 x \left(x + 3\right)\right)$$
Объединение рациональных выражений
[src] / / 2\ \
x*(1 + 5*x)*\3*\-9 + x /*(-3 + x) + 5*x*(3 + x)/
------------------------------------------------
/ 2\ 3
\-9 + x /*(3 + x)
$$\frac{x}{\left(x + 3\right)^{3} \left(x^{2} - 9\right)} \left(5 x + 1\right) \left(5 x \left(x + 3\right) + 3 \left(x - 3\right) \left(x^{2} - 9\right)\right)$$
/ 2 3 \
x*\27 - 62*x + 15*x + 122*x/
------------------------------
4 3
-81 + x - 54*x + 6*x
$$\frac{x \left(15 x^{3} - 62 x^{2} + 122 x + 27\right)}{x^{4} + 6 x^{3} - 54 x - 81}$$
/ 2\
x*(1 + 5*x)*\27 - 13*x + 3*x /
------------------------------
3
(-3 + x)*(3 + x)
$$\frac{x \left(5 x + 1\right) \left(3 x^{2} - 13 x + 27\right)}{\left(x - 3\right) \left(x + 3\right)^{3}}$$
2 3
-1215 - 837*x - 122*x + 152*x
15 - -------------------------------
4 3
-81 + x - 54*x + 6*x
$$- \frac{152 x^{3} - 122 x^{2} - 837 x - 1215}{x^{4} + 6 x^{3} - 54 x - 81} + 15$$