-2x^2=-10

Lösung

- 2 x^{2} = - 10

x = 5, x = - 5

Dezimale

x = 2.23606 \dots, x = - 2.23606 \dots

Schritte zur Lösung

- 2 x^{2} = - 10

Teile beide Seiten durch

- 2

x^{2} = 5

Für

x^{2} = f (a)

sind die Lösungen

x = f (a), - f (a)

x = 5, x = - 5

6 n^{2} + 7 n - 11 = 5 n^{2}

5 x^{2} + 8 x + 2 x = - 11

3 v^{2} + 3 v - 4 = 0

(x + 3) (x - 5) = 9

(3 x - 2) x = (5 x - 1) x