Question

Hello! I'm really stuck on this kind of problem:
9^(x+1) + 9 = 82*3^x
Find x
Thank you!

Answer 1

hey use the logarithms . if you dont get it i will help .

Answer 2

just want to make you think :) ...

Answer 3

Huh I don't get what to get the logarithms of ;~;

Answer 4

I was thinking about matching up terms?

Answer 5

oh..god sorry

Answer 6

take 9 out ... both sides
\[9(9^{x}+1) =(82*3^{x-2})9\]

Answer 7

now try

Answer 8

i am so sorry ..you can solve it elegantly by taking \[y= 3^x\] , you get a quadratic equation solve and tell me what you get . please give me both the roots

Answer 9

I don't know what to do with the +1;A;

Answer 10

yeah..do the 2nd method :)

Answer 11

Oh I get it 1/9 and 9! Thank you so much!