Question

5 mũ x -3=25

Answer 1

5^x-3 = 25

=> 5^x-3 = 5²

=> x - 3 = 2

=> x = 2 + 3

=> x = 5

Vậy x = 5

Answer 2

Vì\(5^{x-3}=25\)

\(=>5^{x-3}=5^2\)

\(=>x-3=2\)

\(=>x=5\)

Answer 3

\(5^{x-3}=25\)

\(5^{x-3}=5^2\)

\(=>x-3=2\)

\(=>x=2+3\)

\(=>x=5\)

Answer 4

\(5^{x-3}=5^2\)

\(=>5^x=5^2.5^3\)

\(=>5^x=5^5\)

\(=>x=5\)