Verwende quadratische Formel: \( x = \frac{35 \pm \sqrt(-35)^2 - 4 \cdot 2 \cdot 30}2 \cdot 2 = \frac{35 \pm \sqrt1225 - 240}4 = \frac{35 \pm \sqrt985}4 \). - AIKO, infinite ways to autonomy.