|x-5|=2

Lösung

∣ x - 5 ∣ = 2

x = 3 or x = 7

Schritte zur Lösung

∣ x - 5 ∣ = 2

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

x - 5 = - 2 or x - 5 = 2

x - 5 = - 2 or x - 5 = 2

x = 3 or x = 7

x (x + 5) < 0

(x) (1 \cdot 1 0^{- 2}) = (1 \cdot 1 0^{- 3}) (25)

s im pl i f y 3^{n} + 3^{n}

20 x^{2} + 11 x = 3

s im pl i f y \frac{- 1 + 17 i}{- 9 + 8 i}