1 -2 + x
-- + ------
2 x
x
$$\frac{1}{x} \left(x - 2\right) + \frac{1}{x^{2}}$$
Рациональный знаменатель
[src] 2
x + x *(-2 + x)
---------------
3
x
$$\frac{1}{x^{3}} \left(x^{2} \left(x - 2\right) + x\right)$$
1 + x*(-2 + x)
--------------
2
x
$$\frac{1}{x^{2}} \left(x \left(x - 2\right) + 1\right)$$
$$\frac{1}{x^{2}} \left(x - 1\right)^{2}$$
-1 + 2*x
1 - --------
2
x
$$1 - \frac{1}{x^{2}} \left(2 x - 1\right)$$