Løs for x
\left\{\begin{matrix}x\in \begin{bmatrix}-\sqrt{4y^{2}+8y+С}+2y+2,\sqrt{4y^{2}+8y+С}+2y+2\end{bmatrix}\text{, }&С>-4\left(y+1\right)^{2}\\x=2\left(y+1\right)\text{, }&С\geq -4\left(y+1\right)^{2}\end{matrix}\right,
Løs for y
\left\{\begin{matrix}y\geq \frac{x}{4}+\frac{С}{2x}-1\text{, }&x>0\\y\in \mathrm{R}\text{, }&С\leq 0\text{ and }x=0\\y=\frac{x}{4}+\frac{С}{2x}-1\text{, }&С\leq 0\text{ or }x\neq 0\\y\leq \frac{x}{4}+\frac{С}{2x}-1\text{, }&x<0\end{matrix}\right,
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Eksempler
Kvadratisk ligning
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Lineær ligning
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Matrix
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Samtidig ligning
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