Ebatzi: x
\left\{\begin{matrix}x\in [-\frac{\sqrt{3x_{1}+1}+1}{x_{1}},\infty)\cup (-\infty,\frac{\sqrt{3x_{1}+1}-1}{x_{1}}]\text{, }&x_{1}\geq -\frac{1}{3}\text{ and }x_{1}<0\\x\in [-\frac{\sqrt{3x_{1}+1}+1}{x_{1}},\frac{\sqrt{3x_{1}+1}-1}{x_{1}}]\text{, }&x_{1}=-\frac{1}{3}\text{ or }x_{1}>0\\x\leq \frac{3}{2}\text{, }&x_{1}\geq -\frac{1}{3}\text{ and }x_{1}\leq 0\\x\in \mathrm{R}\text{, }&x_{1}\leq -\frac{1}{3}\end{matrix}\right.
Ebatzi: x_1
x_{1}\leq -\frac{2x-3}{x^{2}}
x\neq 0
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