|2-3x|=4

Lösung

∣ 2 - 3 x ∣ = 4

x = - \frac{2}{3} or x = 2

Dezimale

x = - 0.66666 \dots, x = 2

Schritte zur Lösung

∣ 2 - 3 x ∣ = 4

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

2 - 3 x = - 4 or 2 - 3 x = 4

2 - 3 x = - 4 or 2 - 3 x = 4

x = - \frac{2}{3} or x = 2

s im pl i f y lo g_{9} (\frac{1}{81})

2 x^{2} - 13 x + 20 = 0

s im pl i f y \frac{2}{3} \cdot \frac{3}{5}

13 x = 130

e x p an d (x - 3) (x + 3)