2 3 4
79 - 65*x - 12*x + 3*x + 7*x
-------------------------------
2
-21 + x - 4*x $$\frac{1}{x^{2} - 4 x - 21} \left(3 x^{4} - 12 x^{3} - 65 x^{2} + 7 x + 79\right)$$
(79.0 + 3.0*x^4 + 7.0*x - 12.0*x^3 - 65.0*x^2)/(-21.0 + x^2 - 4.0*x)
Рациональный знаменатель
[src] 2 3 4
79 - 65*x - 12*x + 3*x + 7*x
-------------------------------
2
-21 + x - 4*x $$\frac{1}{x^{2} - 4 x - 21} \left(3 x^{4} - 12 x^{3} - 65 x^{2} + 7 x + 79\right)$$
Объединение рациональных выражений
[src]79 + x*(7 + x*(-65 + 3*x*(-4 + x)))
-----------------------------------
-21 + x*(-4 + x) $$\frac{1}{x \left(x - 4\right) - 21} \left(x \left(x \left(3 x \left(x - 4\right) - 65\right) + 7\right) + 79\right)$$
4 3 2
-79 - 7*x - 3*x + 12*x + 65*x
--------------------------------
2
21 - x + 4*x $$\frac{- 3 x^{4} + 12 x^{3} + 65 x^{2} - 7 x - 79}{- x^{2} + 4 x + 21}$$
4 3 2
79 + 3*x + 7*x - 12*x - 65*x
-------------------------------
2
-21 + x - 4*x $$\frac{1}{x^{2} - 4 x - 21} \left(3 x^{4} - 12 x^{3} - 65 x^{2} + 7 x + 79\right)$$
2 -37 + x
-2 + 3*x - --------------
2
-21 + x - 4*x$$3 x^{2} - \frac{x - 37}{x^{2} - 4 x - 21} - 2$$
2 3 4
79 - 65*x - 12*x + 3*x + 7*x
-------------------------------
(-7 + x)*(3 + x) $$\frac{1}{\left(x - 7\right) \left(x + 3\right)} \left(3 x^{4} - 12 x^{3} - 65 x^{2} + 7 x + 79\right)$$