Question

resolver a equação 8²* =512.​

Answer 1

8²* = 512

8²* = 8³

2x = 3

x = 3/2

pra perder tempo:

8²* = 512

(2³)²* = 2⁹

2⁶* = 2⁹

6x = 9

x = 9/6. ==> :(2/2)

x = 3/2

Answer 2

8^x   = 512

8^x = 2^9

( 2³)^x  = 2^9

( 2)^3x  = 2^9

3x = 9

x = 3 ****