81 - 81/x - 17*x + 12/x^2
$$- 17 x + 81 - \frac{81}{x} + \frac{12}{x^{2}}$$
81 12
81 - -- - 17*x + --
x 2
x
81 12
81 - -- - 17*x + --
x 2
x
$$- 17 x + 81 - \frac{81}{x} + \frac{12}{x^{2}}$$
81 - 81/x - 17*x + 12/x^2
81 12
81 - -- - 17*x + --
x 2
x
$$- 17 x + 81 - \frac{81}{x} + \frac{12}{x^{2}}$$
81 - 81/x - 17*x + 12/x^2
/ 2 3 \
-\-12 - 81*x + 17*x + 81*x/
------------------------------
2
x
$$- \frac{17 x^{3} - 81 x^{2} + 81 x - 12}{x^{2}}$$
-(-12 - 81*x^2 + 17*x^3 + 81*x)/x^2
Объединение рациональных выражений
[src]
3 2
12 - 81*x - 17*x + 81*x
-------------------------
2
x
$$\frac{- 17 x^{3} + 81 x^{2} - 81 x + 12}{x^{2}}$$
(12 - 81*x - 17*x^3 + 81*x^2)/x^2
81.0 + 12.0/x^2 - 17.0*x - 81.0/x
81.0 + 12.0/x^2 - 17.0*x - 81.0/x
81 12
81 - -- - 17*x + --
x 2
x
$$- 17 x + 81 - \frac{81}{x} + \frac{12}{x^{2}}$$
81 - 81/x - 17*x + 12/x^2
Рациональный знаменатель
[src]
81 12
81 - -- - 17*x + --
x 2
x
$$- 17 x + 81 - \frac{81}{x} + \frac{12}{x^{2}}$$
2 3
- 81*x + 12*x + x *(81 - 17*x)
-------------------------------
3
x
$$\frac{x^{3} \cdot \left(- 17 x + 81\right) - 81 x^{2} + 12 x}{x^{3}}$$
(-81*x^2 + 12*x + x^3*(81 - 17*x))/x^3
12 - 81*x
81 - 17*x + ---------
2
x
$$- 17 x + 81 + \frac{- 81 x + 12}{x^{2}}$$
81 - 17*x + (12 - 81*x)/x^2