2x^2=54

Lösung

2 x^{2} = 54

x = 33, x = - 33

Dezimale

x = 5.19615 \dots, x = - 5.19615 \dots

Schritte zur Lösung

2 x^{2} = 54

Teile beide Seiten durch

2

x^{2} = 27

Für

x^{2} = f (a)

sind die Lösungen

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

x = 27, x = - 27

27 = 33

- 27 = - 33

x = 33, x = - 33

co m pl e t es q u a re - 2 z^{2} + 56 z = 10

a^{2} + a - 1 = 0

x^{2} + 9 x^{2} + 20 = 0

so l v e f or x, x^{2} + 4 x + 9 = 0

x^{2} = \frac{16}{9}