Question

calcula x 81×+² =9×-⁸ ayúdenme plis ​

Answer 1

$81^{x+2} = 9 ^{x -8} \\\\(9^{2})^{x+2} = 9 ^{x -8}\\\\9^{2x+ 4} = 9 ^{x -8}$

2x + 4 = x - 8

2x - x = - 8 - 4

x = -12

          Eternamente

☆꧁☆༒ axllxa  ༒☆꧂☆

Answer 2

Respuesta:

x=-\frac{10}{x_{81}-9},x_{81}\neq 9