Question

3.3^x=27

Answer 1

3.3^x=27
⇔3^x=27:3
⇔3^x=9
⇔3^x=3²
⇔x=2
Vậy x=2

Answer 2

x=2

Answer 3

3.3^x=27

3^x=27:3

3^x=9

3^x=3²

x=2

Vậy x=2

Answer 4

x=3

Answer 5

3.3^x = 27

3^x = 27 :3

3^x = 9

Vì 3² = 9 nên suy ra x = 2

Answer 6

Chac chan x=3 hoac x=-3

Dung thi tick nha

Answer 7

3.3^x₌₂₇

^₃x_=27:3

^₃x₌₉

^_x=9:3

^_x=3