Question

(1/64)^x=(-1/8)^14 tìm x 

giúp mình với😊😊😊

Answer 1

(=)(1/64)^x=(-1/8)^2^7

(=)(1/64)^x=(1/64)^7

=>x=7

Answer 2

\(\left(\frac{1}{64}\right)^x=\left(-\frac{1}{8}\right)^{14}\)

\(=\left(\frac{1}{64}\right)^x=\left(\frac{1}{64}\right)^7\)

\(\Rightarrow x=7\)

Vậy x = 7