solvefor x,x^2=-9

Lösung

löse nach

x, x^{2} = - 9

x = 3 i, x = - 3 i

Schritte zur Lösung

x^{2} = - 9

Für

x^{2} = f (a)

sind die Lösungen

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

x = - 9, x = - - 9

- 9 = 3 i

- - 9 = - 3 i

x = 3 i, x = - 3 i

(2 k - 1) x^{2} + 5 x - 1 = 0

c (t) = 0.2 t^{2} - 2 t + 5000

8 x + 20 = x^{2}

0 = x^{2} + 2 x + 8

0 = x^{2} + 2 x - 7