Solve for x (complex solution)
x=\frac{\left(y-1\right)^{-\frac{1}{2}}y}{2}
y\neq 1
Solve for x
x=\frac{y}{2\sqrt{y-1}}
y>1
Solve for y (complex solution)
\left\{\begin{matrix}y=2\left(\sqrt{x^{2}\left(x^{2}-1\right)}+x^{2}\right)\text{, }&|arg(x\sqrt{2\sqrt{x^{4}-x^{2}}+2x^{2}-1})-arg(2\sqrt{x^{4}-x^{2}}+2x^{2})|<\pi \\y=2\left(-\sqrt{x^{2}\left(x^{2}-1\right)}+x^{2}\right)\text{, }&|arg(x\sqrt{-2\sqrt{x^{4}-x^{2}}+2x^{2}-1})-arg(-2\sqrt{x^{4}-x^{2}}+2x^{2})|<\pi \end{matrix}\right.
Solve for y
\left\{\begin{matrix}y=2x\left(\sqrt{x^{2}-1}+x\right)\text{, }&x\left(\sqrt{x^{2}-1}+x\right)\geq \frac{1}{2}\text{ and }x\sqrt{2x\sqrt{x^{2}-1}+2x^{2}-1}\geq 0\text{ and }|x|\geq 1\\y=2x\left(-\sqrt{x^{2}-1}+x\right)\text{, }&-x\sqrt{x^{2}-1}+x^{2}\geq \frac{1}{2}\text{ and }x\sqrt{-2x\sqrt{x^{2}-1}+2x^{2}-1}\geq 0\text{ and }-2x\sqrt{x^{2}-1}+2x^{2}\geq 1\text{ and }|x|\geq 1\end{matrix}\right.
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2x\sqrt{y-1}=y
Swap sides so that all variable terms are on the left hand side.
2\sqrt{y-1}x=y
The equation is in standard form.
\frac{2\sqrt{y-1}x}{2\sqrt{y-1}}=\frac{y}{2\sqrt{y-1}}
Divide both sides by 2\sqrt{y-1}.
x=\frac{y}{2\sqrt{y-1}}
Dividing by 2\sqrt{y-1} undoes the multiplication by 2\sqrt{y-1}.
x=\frac{\left(y-1\right)^{-\frac{1}{2}}y}{2}
Divide y by 2\sqrt{y-1}.
2x\sqrt{y-1}=y
Swap sides so that all variable terms are on the left hand side.
2\sqrt{y-1}x=y
The equation is in standard form.
\frac{2\sqrt{y-1}x}{2\sqrt{y-1}}=\frac{y}{2\sqrt{y-1}}
Divide both sides by 2\sqrt{y-1}.
x=\frac{y}{2\sqrt{y-1}}
Dividing by 2\sqrt{y-1} undoes the multiplication by 2\sqrt{y-1}.
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