x^2+x^2=8^2

Lösung

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

x = 42, x = - 42

Dezimale

x = 5.65685 \dots, x = - 5.65685 \dots

Schritte zur Lösung

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

Addiere gleiche Elemente:

x^{2} + x^{2} = 2 x^{2}

2 x^{2} = 8^{2}

8^{2} = 64

2 x^{2} = 64

Teile beide Seiten durch

2

x^{2} = 32

Für

x^{2} = f (a)

sind die Lösungen

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

x = 32, x = - 32

32 = 42

- 32 = - 42

x = 42, x = - 42

64 x^{2} = 100

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

400 = x^{2}

s^{2} + 25 = 0

3 x^{2} - 41 x + 110 = 0