$\left\{\begin{matrix}B=\frac{2K}{CXZ}\text{, }&X\neq 0\text{ and }Z\neq 0\text{ and }C\neq 0\\B\in \mathrm{C}\text{, }&\left(C=0\text{ or }Z=0\text{ or }X=0\right)\text{ and }K=0\end{matrix}\right.$

$\left\{\begin{matrix}C=\frac{2K}{BXZ}\text{, }&X\neq 0\text{ and }Z\neq 0\text{ and }B\neq 0\\C\in \mathrm{C}\text{, }&\left(B=0\text{ or }Z=0\text{ or }X=0\right)\text{ and }K=0\end{matrix}\right.$

$\left\{\begin{matrix}B=\frac{2K}{CXZ}\text{, }&X\neq 0\text{ and }Z\neq 0\text{ and }C\neq 0\\B\in \mathrm{R}\text{, }&\left(C=0\text{ or }Z=0\text{ or }X=0\right)\text{ and }K=0\end{matrix}\right.$

$\left\{\begin{matrix}C=\frac{2K}{BXZ}\text{, }&X\neq 0\text{ and }Z\neq 0\text{ and }B\neq 0\\C\in \mathrm{R}\text{, }&\left(B=0\text{ or }Z=0\text{ or }X=0\right)\text{ and }K=0\end{matrix}\right.$