Question

Solve 5^(2x) = 7^(x−1).

A. 1.52864
B −1
C −1.52864
D 1

Answer 1

\(\color{#000000 }{ \displaystyle 5^{2x} =7^{x-1}}\)
\(\color{#000000 }{ \displaystyle \ln(5^{2x} )=\ln(7^{x-1})}\)

Answer 2

\(\color{#000000 }{ \displaystyle 2x\ln(5)=(x-1)\ln(7)}\)

Answer 3

etc....

Answer 4

Thanks

Answer 5

If that is it, then what was the problem solving it from the beginning?