2*x*(-1 + 3*x) 2*x*(1 + 3*x) 4*x*(1 + 3*x)
-2 - 6*x - -------------- + ------------- + -------------
-1 + x 1 + x -1 + x
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2 3
(1 + x) *(-1 + x) $$\frac{1}{\left(x - 1\right)^{3} \left(x + 1\right)^{2}} \left(- 6 x + \frac{2 x \left(3 x + 1\right)}{x + 1} - \frac{2 x \left(3 x - 1\right)}{x - 1} + \frac{4 x \left(3 x + 1\right)}{x - 1} - 2\right)$$
2.0*(-1.0 - 3.0*x + x*(1.0 + 3.0*x)/(1.0 + x) - x*(-1.0 + 3.0*x)/(-1.0 + x) + 2.0*x*(1.0 + 3.0*x)/(-1.0 + x))/((1.0 + x)^2*(-1.0 + x)^3)
Объединение рациональных выражений
[src]2*((-1 + x)*(x*(1 + 3*x) + (1 + x)*(-1 - 3*x)) - x*(1 + x)*(-1 + 3*x) + 2*x*(1 + x)*(1 + 3*x))
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3 4
(1 + x) *(-1 + x) $$\frac{1}{\left(x - 1\right)^{4} \left(x + 1\right)^{3}} \left(- 2 x \left(x + 1\right) \left(3 x - 1\right) + 4 x \left(x + 1\right) \left(3 x + 1\right) + 2 \left(x - 1\right) \left(x \left(3 x + 1\right) + \left(- 3 x - 1\right) \left(x + 1\right)\right)\right)$$
/ 2 3 \
2*\1 + 3*x + 3*x + 5*x/
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7 6 2 5 3 4
1 + x - x - x - 3*x - 3*x + 3*x + 3*x $$\frac{6 x^{3} + 6 x^{2} + 10 x + 2}{x^{7} - x^{6} - 3 x^{5} + 3 x^{4} + 3 x^{3} - 3 x^{2} - x + 1}$$
2*x*(-1 + 3*x) 2*x*(1 + 3*x) 2*2*x*(1 + 3*x)
-2 - 2*3*x - -------------- + ------------- + ---------------
-1 + x 1 + x -1 + x
-------------------------------------------------------------
2 3
(1 + x) *(-1 + x) $$\frac{1}{\left(x - 1\right)^{3} \left(x + 1\right)^{2}} \left(- 6 x - \frac{2 x \left(3 x - 1\right)}{x - 1} + \frac{2 x \left(3 x + 1\right)}{x + 1} + \frac{4 x \left(3 x + 1\right)}{x - 1} - 2\right)$$
2 3
2 + 6*x + 6*x + 10*x
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7 6 2 5 3 4
1 + x - x - x - 3*x - 3*x + 3*x + 3*x $$\frac{6 x^{3} + 6 x^{2} + 10 x + 2}{x^{7} - x^{6} - 3 x^{5} + 3 x^{4} + 3 x^{3} - 3 x^{2} - x + 1}$$
/ 2 3 \
2*\1 + 3*x + 3*x + 5*x/
-------------------------
3 4
(1 + x) *(-1 + x) $$\frac{6 x^{3} + 6 x^{2} + 10 x + 2}{\left(x - 1\right)^{4} \left(x + 1\right)^{3}}$$
/ x*(1 + 3*x) x*(-1 + 3*x) 2*x*(1 + 3*x)\
2*|-1 - 3*x + ----------- - ------------ + -------------|
\ 1 + x -1 + x -1 + x /
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2 3
(1 + x) *(-1 + x) $$\frac{1}{\left(x - 1\right)^{3} \left(x + 1\right)^{2}} \left(\frac{4 x \left(3 x + 1\right)}{x - 1} + 2 \left(- \frac{x \left(3 x - 1\right)}{x - 1} + \frac{x \left(3 x + 1\right)}{x + 1} + - 3 x - 1\right)\right)$$