Question

How do you solve for x in `3^(2x) + 3^(x+1) - 4 = 0`?

Answer 1

x=0

Explanation:

`3^(2x)+3^(x+1)=4`
`3^(2x)+3^(x+1)=1+3`
`3^(2x)+3^(x+1)=3^0+3^1`

So:

`2x=0 nn x+1=1`

So:

`x=0`