Lös ut y (complex solution)
y=\frac{-\sqrt{\left(x-1\right)\left(x+7\right)}-2}{2}
y=\frac{\sqrt{\left(x-1\right)\left(x+7\right)}-2}{2}
Lös ut x
x=2\sqrt{y^{2}+2y+5}-3
x=-2\sqrt{y^{2}+2y+5}-3
Lös ut y
y=\frac{-\sqrt{\left(x-1\right)\left(x+7\right)}-2}{2}
y=\frac{\sqrt{\left(x-1\right)\left(x+7\right)}-2}{2}\text{, }x\leq -7\text{ or }x\geq 1
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