Question

please answer me
it is very important ​

Answer 1

Step-by-step explanation:

(4/5)^3*(4/5)^-6=(4/5)^2x-1

3+(-6)=2x-1(a^m*a^n=a^m+n)

-3=2x-1

-3-1=2x

-4=2x

x=-2