Question

See Equation.

Answer 1

\[(2/5)^{2x}=125/8\]

Answer 2

\(\Large \color{MidnightBlue}{\Rightarrow {125 \over 8} = {5^3 \over 2^3} = ({2 \over 5})^{-3} }\)

Answer 3

Is that 2x or 3x?

Answer 4

2x

Answer 5

\(\Large \color{MidnightBlue}{\Rightarrow -3 = 2x }\)
\(\Large \color{MidnightBlue}{\Rightarrow x = {-3 \over 2} }\)