Подстановка условия
[src]((a*(x + 2))*(x + 2))*(x + 2) + ((b*(x + 1))*(x + 2))*(x + 2) + (c*(x + 2))*(x + 1) + d*(x + 1) при a = -1/4
((a*(x + 2))*(x + 2))*(x + 2) + ((b*(x + 1))*(x + 2))*(x + 2) + (c*(x + 2))*(x + 1) + d*(x + 1)
$$d \left(x + 1\right) + c \left(x + 2\right) \left(x + 1\right) + a \left(x + 2\right) \left(x + 2\right) \left(x + 2\right) + b \left(x + 1\right) \left(x + 2\right) \left(x + 2\right)$$
(((-1/4)*(x + 2))*(x + 2))*(x + 2) + ((b*(x + 1))*(x + 2))*(x + 2) + (c*(x + 2))*(x + 1) + d*(x + 1)
$$d \left(x + 1\right) + c \left(x + 2\right) \left(x + 1\right) + (-1/4) \left(x + 2\right) \left(x + 2\right) \left(x + 2\right) + b \left(x + 1\right) \left(x + 2\right) \left(x + 2\right)$$
((-(x + 2)/4)*(x + 2))*(x + 2) + ((b*(x + 1))*(x + 2))*(x + 2) + (c*(x + 2))*(x + 1) + d*(x + 1)
$$d \left(x + 1\right) + c \left(x + 2\right) \left(x + 1\right) + - \frac{1}{4} \left(x + 2\right) \left(x + 2\right) \left(x + 2\right) + b \left(x + 1\right) \left(x + 2\right) \left(x + 2\right)$$
d*(1 + x) + (2 + x)^2*(-1/2 - x/4) + b*(2 + x)^2*(1 + x) + c*(1 + x)*(2 + x)
$$b \left(x + 1\right) \left(x + 2\right)^{2} + c \left(x + 1\right) \left(x + 2\right) + d \left(x + 1\right) + \left(- \frac{x}{4} - \frac{1}{2}\right) \left(x + 2\right)^{2}$$
Объединение рациональных выражений
[src]d*(1 + x) + (2 + x)*(c*(1 + x) + (2 + x)*(a*(2 + x) + b*(1 + x)))
$$d \left(x + 1\right) + \left(x + 2\right) \left(c \left(x + 1\right) + \left(x + 2\right) \left(a \left(x + 2\right) + b \left(x + 1\right)\right)\right)$$
d*(x + 1) + c*(x + 2)*(x + 1) + a*(x + 2)*(x + 2)*(x + 2) + b*(x + 1)*(x + 2)*(x + 2)
$$d \left(x + 1\right) + a \left(x + 2\right) \left(x + 2\right) \left(x + 2\right) + c \left(x + 2\right) \left(x + 1\right) + b \left(x + 1\right) \left(x + 2\right) \left(x + 2\right)$$