49x^2=121

Lösung

49 x^{2} = 121

x = \frac{11}{7}, x = - \frac{11}{7}

Dezimale

x = 1.57142 \dots, x = - 1.57142 \dots

Schritte zur Lösung

49 x^{2} = 121

Teile beide Seiten durch

49

x^{2} = \frac{121}{49}

Für

x^{2} = f (a)

sind die Lösungen

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

x = \frac{121}{49}, x = - \frac{121}{49}

\frac{121}{49} = \frac{11}{7}

- \frac{121}{49} = - \frac{11}{7}

x = \frac{11}{7}, x = - \frac{11}{7}

x^{2} - 5 x - 3 = 0

s^{2} = - 4

3 x^{2} - 3 x - 20 = 2 x + 8

(2 w + 3) w = 54

4 = 35 mm