Question

5^x+^1 - 5^x = 500
 

Answer 1

help me pls

 

Answer 2

Đề khó hiểu quá: \(5^{x+1}-5^x=500\), phải vậy ko

Answer 3

\(5^{x+1}-5^x=500\\ \Rightarrow5^x\left(5-1\right)=500\\ \Rightarrow5^x\cdot4=500\\ \Rightarrow5^x=125=5^3\Rightarrow x=3\)

Answer 4

\(5^{x+1}-5^x=500\)

\(\Leftrightarrow5^x=125\)

hay x=3