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Beliebt Algebra >

(x+2)(x^2-9)=0

Lösung

(x + 2) (x^{2} - 9) = 0

Lösung

x = - 2, x = - 3, x = 3

Schritte zur Lösung

(x + 2) (x^{2} - 9) = 0

Faktorisiere

(x + 2) (x^{2} - 9) : (x + 2) (x + 3) (x - 3)

(x + 2) (x + 3) (x - 3) = 0

Anwendung des Nullfaktorprinzips: Wenn

ab = 0

dann

a = 0

oder

b = 0

x + 2 = 0 or x + 3 = 0 or x - 3 = 0

Löse

x + 2 = 0 : x = - 2

Löse

x + 3 = 0 : x = - 3

Löse

x - 3 = 0 : x = 3

Die Lösungen sind

x = - 2, x = - 3, x = 3

Graph

Beliebte Beispiele

2 x^{6} + 7 x^{3} - 15 = 0

x^3-4x+x(x+2)=0

x^{3} - 4 x + x (x + 2) = 0

x^{3} (x + 1) = - 6

solvefor x,-y=x^3

so l v e f or x, - y = x^{3}

(1+0.8)=(1+x/(12))^3

(1 + 0.8) = (1 + \frac{x}{12})^{3}