Question

Resolva a equação exponencial:(1/5) elevado a X=125​

Answer 1

(1/5)^x = 125

(1/5)^x = (1/5)^-3

x = -3 ✓

ou:

(1/5)^x = 125

1/5^x = 5³

5^-x = 5³

-x = 3

x = -3

Answer 2

$( \frac{1}{5})^{x} = 125 \\ {5}^{ - x} = 5^{3} \\ - x = 3 \\ x = 3$