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