Question

Ajuda por favor.
81^(x+3) - 1/243 =0

Answer 1

3 ^4( x + 3) -  1/3^5  ou (1/3)^5  = 0
( 1/3)^5 =  3^-5>>>>>  NOTA
3^( 4x + 12) -  ( 3)^-5 = 0
4x + 12 - ( -5) = 0
4x + 12 + 5 = 0
4x + 17 = 0
4x = -17
x = -17/4 ***