3x^2=225

Lösung

3 x^{2} = 225

x = 53, x = - 53

Dezimale

x = 8.66025 \dots, x = - 8.66025 \dots

Schritte zur Lösung

3 x^{2} = 225

Teile beide Seiten durch

3

x^{2} = 75

Für

x^{2} = f (a)

sind die Lösungen

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

x = 75, x = - 75

75 = 53

- 75 = - 53

x = 53, x = - 53

3 x^{2} = 2 - x

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

1 + x^{2} = 16

(x + 3) (x - 1) = (4 x - 1) (2 x + 3)

5 - (x + 3)^{2} = x