x^2-10x+21<0

Lösung

x^{2} - 10 x + 21 < 0

3 < x < 7

Intervall-Notation

(3, 7)

Schritte zur Lösung

x^{2} - 10 x + 21 < 0

Faktorisiere

x^{2} - 10 x + 21 : (x - 3) (x - 7)

(x - 3) (x - 7) < 0

Identifiziere die Intervalle

3 < x < 7

∣ 3 (x + 1) + 9 ∣ \leq 12

s im pl i f y ln (2.7)

w^{2} + 6 w - 112 = 0

4 + \frac{2}{3} x = \frac{3}{4}

- 2 x + 5 < 10