Question

3) 5 elevado a 2x = 1 / 25​

Answer 1

Resposta:

$5^{2x} = \frac{1}{25}\\  \\5^{2x} = 25^{-1}\\\\5^{2x} = 5^{-2}\\\\\\2x = -2\\\\x = -2/2\\\\x = -1$