$$Lafuncionp(x)=(240x440)/14(x+1)$$
$\left\{\begin{matrix}L=-\frac{120ix_{440}\left(x+1\right)}{7acfopuxn^{2}}\text{, }&p\neq 0\text{ and }o\neq 0\text{ and }c\neq 0\text{ and }n\neq 0\text{ and }f\neq 0\text{ and }a\neq 0\text{ and }x\neq 0\text{ and }u\neq 0\\L\in \mathrm{C}\text{, }&\left(x_{440}=0\text{ and }u=0\right)\text{ or }\left(x_{440}=0\text{ and }x=0\right)\text{ or }\left(x_{440}=0\text{ and }a=0\right)\text{ or }\left(x_{440}=0\text{ and }f=0\right)\text{ or }\left(x_{440}=0\text{ and }n=0\right)\text{ or }\left(x_{440}=0\text{ and }c=0\right)\text{ or }\left(x_{440}=0\text{ and }o=0\right)\text{ or }\left(x_{440}=0\text{ and }p=0\right)\text{ or }\left(x=-1\text{ and }u=0\right)\text{ or }\left(x=-1\text{ and }a=0\right)\text{ or }\left(x=-1\text{ and }f=0\right)\text{ or }\left(x=-1\text{ and }n=0\right)\text{ or }\left(x=-1\text{ and }c=0\right)\text{ or }\left(x=-1\text{ and }o=0\right)\text{ or }\left(x=-1\text{ and }p=0\right)\end{matrix}\right.$
$\left\{\begin{matrix}a=-\frac{120ix_{440}\left(x+1\right)}{7Lcfopuxn^{2}}\text{, }&p\neq 0\text{ and }o\neq 0\text{ and }c\neq 0\text{ and }n\neq 0\text{ and }f\neq 0\text{ and }x\neq 0\text{ and }L\neq 0\text{ and }u\neq 0\\a\in \mathrm{C}\text{, }&\left(x_{440}=0\text{ and }u=0\right)\text{ or }\left(x_{440}=0\text{ and }L=0\right)\text{ or }\left(x_{440}=0\text{ and }x=0\right)\text{ or }\left(x_{440}=0\text{ and }f=0\right)\text{ or }\left(x_{440}=0\text{ and }n=0\right)\text{ or }\left(x_{440}=0\text{ and }c=0\right)\text{ or }\left(x_{440}=0\text{ and }o=0\right)\text{ or }\left(x_{440}=0\text{ and }p=0\right)\text{ or }\left(x=-1\text{ and }u=0\right)\text{ or }\left(x=-1\text{ and }L=0\right)\text{ or }\left(x=-1\text{ and }f=0\right)\text{ or }\left(x=-1\text{ and }n=0\right)\text{ or }\left(x=-1\text{ and }c=0\right)\text{ or }\left(x=-1\text{ and }o=0\right)\text{ or }\left(x=-1\text{ and }p=0\right)\end{matrix}\right.$