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Beliebt Algebra >

7x^3-x^2<9-63x

Lösung

7 x^{3} - x^{2} < 9 - 63 x

Lösung

x < \frac{1}{7}

+2

Intervall-Notation

(- \infty, \frac{1}{7})

Dezimale

x < 0.14285 \dots

Schritte zur Lösung

7 x^{3} - x^{2} < 9 - 63 x

Rewrite in standard form

7 x^{3} - x^{2} + 63 x - 9 < 0

Faktorisiere

7 x^{3} - x^{2} + 63 x - 9 : (7 x - 1) (x^{2} + 9)

(7 x - 1) (x^{2} + 9) < 0

Identifiziere die Intervalle

x < \frac{1}{7}

Graph

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