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Beliebt Algebra >

x^2+9x^2=16

Lösung

x^{2} + 9 x^{2} = 16

Lösung

x = \frac{2 2}{5}, x = - \frac{2 2}{5}

+1

Dezimale

x = 1.26491 \dots, x = - 1.26491 \dots

Schritte zur Lösung

x^{2} + 9 x^{2} = 16

Addiere gleiche Elemente:

x^{2} + 9 x^{2} = 10 x^{2}

10 x^{2} = 16

Teile beide Seiten durch

10

x^{2} = \frac{8}{5}

Für

x^{2} = f (a)

sind die Lösungen

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

x = \frac{8}{5}, x = - \frac{8}{5}

\frac{8}{5} = \frac{2 2}{5}

- \frac{8}{5} = - \frac{2 2}{5}

x = \frac{2 2}{5}, x = - \frac{2 2}{5}

Graph

Beliebte Beispiele

-4x^2+183.88x-525.36=0

- 4 x^{2} + 183.88 x - 525.36 = 0

solvefor x,z=16-x^2-2y^2

so l v e f or x, z = 16 - x^{2} - 2 y^{2}

x (2 x + 5) = 12

x (2 x + 5) = 15

x^{2} - 48 = 11