Løs for x (complex solution)
x=-\sqrt{-y^{4}+5y+2zy^{2}-2z}
x=\sqrt{-y^{4}+5y+2zy^{2}-2z}\text{, }y\neq 0
Løs for x
x=\sqrt{-y^{4}+5y+2zy^{2}-2z}
x=-\sqrt{-y^{4}+5y+2zy^{2}-2z}\text{, }\left(y\leq 1\text{ or }z\geq -\frac{y\left(5-y^{3}\right)}{2\left(y^{2}-1\right)}\right)\text{ and }\left(y>-1\text{ or }\left(y\neq -1\text{ and }z\geq -\frac{y\left(5-y^{3}\right)}{2\left(y^{2}-1\right)}\right)\right)\text{ and }\left(y<-1\text{ or }y\geq 1\text{ or }z\leq -\frac{y\left(5-y^{3}\right)}{2\left(y^{2}-1\right)}\right)\text{ and }y\neq 0
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