-9x^2=108

Lösung

- 9 x^{2} = 108

x = 23 i, x = - 23 i

Schritte zur Lösung

- 9 x^{2} = 108

Teile beide Seiten durch

- 9

x^{2} = - 12

Für

x^{2} = f (a)

sind die Lösungen

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

x = - 12, x = - - 12

- 12 = 23 i

- - 12 = - 23 i

x = 23 i, x = - 23 i

- 3 x^{2} = - 15 x

c^{2} - 3 c - 10 = 0

a^{2} = \frac{1}{16}

x^{2} + 6 x - 45 = 2 x

so l v e f or x, 2 x^{2} + 4 x + 8 = - y^{2}