|z+25|=5

Lösung

∣ z + 25 ∣ = 5

z = - 30 or z = - 20

Schritte zur Lösung

∣ z + 25 ∣ = 5

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

z + 25 = - 5 or z + 25 = 5

z + 25 = - 5 or z + 25 = 5

z = - 30 or z = - 20

9 - 2 x = 15

- 9 (x - 5) + 9 \leq 3 x + 42

\frac{3 w + 5}{4} \geq 2 w

s im pl i f y (\frac{a}{b} - \frac{b}{a})^{2}

f a c t or 4 t (t - 5) + 5 (t - 5)