( \operatorname { sg } x ^ { 2 } + x ( x ^ { 2 } - 2 x + 1 ) \leq 1
Løs for s
\left\{\begin{matrix}s\geq -\frac{x^{3}-2x^{2}+x-1}{gx^{2}}\text{, }&x\neq 0\text{ and }g<0\\s\in \mathrm{R}\text{, }&x=0\text{ or }\left(x\left(x-1\right)^{2}-1\leq 0\text{ and }g=0\right)\\s=-\frac{x^{3}-2x^{2}+x-1}{gx^{2}}\text{, }&x\left(x-1\right)^{2}-1\leq 0\text{ or }g\neq 0\\s\leq -\frac{x^{3}-2x^{2}+x-1}{gx^{2}}\text{, }&x\neq 0\text{ and }g>0\end{matrix}\right,
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Kvadratisk ligning
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