Question

\(^{5.25^{x+1}=125^x}\)

Answer 1

=>5.(5²)^x+1=(5³)^x

=>5.5^2x+2=5^3x

=>5^2x+2+1=5^3x

=>2x+2+1=3x

=>3=3x-2x

=>x.(3-2)=3

=>x=3

Answer 2

5.25^x+1=125^x

5(5^2)^x+1=(5^3)^x

5.5^2x+2=5^3x

5^2x+2+1=5^3x

suy ra 2x+3=3x

2x-3x=-3

-x=-3

x=3