3^{2x+5}= 1/27

Lösung

3^{2 x + 5} = \frac{1}{27}

x = - 4

Schritte zur Lösung

3^{2 x + 5} = \frac{1}{27}

Wende Exponentenregel an

2 x + 5 = - 3

Löse

2 x + 5 = - 3 : x = - 4

x = - 4

2^{x + 2} - 3 \cdot 2^{x - 1} = 20

(e^{x})^{2} - 7 e^{x} + 10 = 0

e^{3 x - 5} = 17

2^{2 x + 3} = 1

2 e^{x} = 4