Question

5^x . (5^3)^2 = 625

Tìm x:

 

Answer 1

5^x . (5³)² = 625

5^x . 5⁶ = 5⁴

5^x+6  = 5⁴

=> x + 6 = 4

=> x = 4 - 6

x = -2

Vậy x = -2

Ủng hộ mk nha !!!! ^_^

Answer 2

5^x . (5³)² = 625

5^x . 5⁶ = 5⁴

5^x = 5⁴ : 5⁶

5^x =

Answer 3

5^x . ( 5³ )²  =625

5^x . 5⁶ = 5⁴

5^{x + 6}  = 5⁴

x + 6 = 4

x = 4 - 6

x = -2

Answer 4

5^x . (5³)² = 625

5^x . 5⁶ = 5⁴

5^x+6  = 5⁴

=> x + 6 = 4

=> x = 4 - 6

x = -2

Vậy x = -2