3x^2=-45

Lösung

3 x^{2} = - 45

x = 15 i, x = - 15 i

Schritte zur Lösung

3 x^{2} = - 45

Teile beide Seiten durch

3

x^{2} = - 15

Für

x^{2} = f (a)

sind die Lösungen

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

x = - 15, x = - - 15

- 15 = 15 i

- - 15 = - 15 i

x = 15 i, x = - 15 i

6 (5 x - 4) (3 x + 5) = 0

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

- x^{2} + 6 x + 1 = 0

x^{2} + 6 x = - 22

so l v e f or y, y^{2} = x^{2} (x + 5)