Bantuin jawab dong sekarang juga plisssssss

Jawaban terlampir, semoga bermanfaat

3^ 2x + 2 + 8 . 3^x – 1 = 0
3.^2 . 3^2x + 8 . 3^x – 1 = 0

Misal ; A = 3^x, maka ;

9A^+ 8A – 1 = 0
( 9A – 1 ) ( A + 1 ) = 0
A, = 1/9
A,, = -1

3^x = 1/9
3^x = 3^-2
x = -2

Semoga bisa membantu ya