Question

3^(x+2)+3^x=10/3 how to solve this problem

Answer 1

Step-by-step explanation:

3^(x+2)+3^(x) =10/3

3^(x).3^2 + 3^(x) = 10/3

Let 3^x = a

9a + a =10/3

10a=10/3

a=1/3

3^x=1/3

3^x = 3^(-1)

x = - 1