Los de vierkantsvergelijking op zonder de discriminant te gebruiken
\(4(-2x^2-6)=-(13x^2-1101)\)
\(4(-2x^2-6)=-(13x^2-1101) \\ \Leftrightarrow -8x^2-24=-13x^2+1101 \\
\Leftrightarrow -8x^2+13x^2=1101+24 \\
\Leftrightarrow 5x^2 = 1125 \\
\Leftrightarrow x^2 = \frac{1125}{5}=225 \\
\Leftrightarrow x = 15 \vee x = -15 \\
V = \Big\{-15, 15 \Big\} \\ -----------------\)