-2x^2+10x+23=0

Lösung

- 2 x^{2} + 10 x + 23 = 0

x = - \frac{- 5 + 71}{2}, x = \frac{5 + 71}{2}

Dezimale

x = - 1.71307 \dots, x = 6.71307 \dots

Schritte zur Lösung

- 2 x^{2} + 10 x + 23 = 0

Löse mit der quadratischen Formel

x_{1, 2} = \frac{- 10 \pm 1 0 ^{2} - 4 ( - 2 ) \cdot 23}{2 ( - 2 )}

1 0^{2} - 4 (- 2) \cdot 23 = 271

x_{1, 2} = \frac{- 10 \pm 2 71}{2 ( - 2 )}

Trenne die Lösungen

x_{1} = \frac{- 10 + 2 71}{2 ( - 2 )}, x_{2} = \frac{- 10 - 2 71}{2 ( - 2 )}

x = \frac{- 10 + 2 71}{2 ( - 2 )} : - \frac{- 5 + 71}{2}

x = \frac{- 10 - 2 71}{2 ( - 2 )} : \frac{5 + 71}{2}

Die Lösungen für die quadratische Gleichung sind:

x = - \frac{- 5 + 71}{2}, x = \frac{5 + 71}{2}

2 x^{2} - 4 x + 5 = 0

l o n g m u lt 1.3 \cdot 2

s im pl i f y 143 \cdot 2

w^{2} = 9 (w - 6)

\frac{x}{7} - 1 = \frac{x}{9} + 5