|3x^2-4x|=15

Lösung

3 x^{2} - 4 x = 15

x = - \frac{5}{3} or x = 3

Dezimale

x = - 1.66666 \dots, x = 3

Schritte zur Lösung

3 x^{2} - 4 x = 15

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

u = - a

3 x^{2} - 4 x = - 15 or 3 x^{2} - 4 x = 15

3 x^{2} - 4 x = - 15 or 3 x^{2} - 4 x = 15

keine L \overset{o}{¨} sung or (x = - \frac{5}{3} or x = 3)

x = - \frac{5}{3} or x = 3

f a c t or 25 n^{2} + 10 n + 1

s im pl i f y - \frac{2}{3} + \frac{5}{6}

6 x + 3 = 8 x - 5

- 4 + x = - 11

- 7 < 2 x + 4 < 8