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Beliebt Algebra >

x^2+2x^2=10^2

Lösung

x^{2} + 2 x^{2} = 1 0^{2}

Lösung

x = \frac{10}{3}, x = - \frac{10}{3}

+1

Dezimale

x = 5.77350 \dots, x = - 5.77350 \dots

Schritte zur Lösung

x^{2} + 2 x^{2} = 1 0^{2}

Addiere gleiche Elemente:

x^{2} + 2 x^{2} = 3 x^{2}

3 x^{2} = 1 0^{2}

1 0^{2} = 100

3 x^{2} = 100

Teile beide Seiten durch

3

x^{2} = \frac{100}{3}

Für

x^{2} = f (a)

sind die Lösungen

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

x = \frac{100}{3}, x = - \frac{100}{3}

\frac{100}{3} = \frac{10}{3}

- \frac{100}{3} = - \frac{10}{3}

x = \frac{10}{3}, x = - \frac{10}{3}

Graph

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