Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2024-05-26 18:52:54
- mathxyz
- Member
- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053
Exponential Equation
Find x.
4^(x) + 4^(x) = 1
How is this done?
P. S. I continue my self-study of college algebra with Sullivan on paper and will post from the book when I get stuck.
Offline
#2 2024-05-26 19:53:52
- Bob
- Administrator
- Registered: 2010-06-20
- Posts: 10,626
Re: Exponential Equation
You can rewrite this as 2 times 2^(2x)
and use logs
Bob
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob 
Offline
#3 2024-05-27 02:43:08
- mathxyz
- Member
- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053
Re: Exponential Equation
Bob wrote:
You can rewrite this as 2 times 2^(2x)
and use logsBob
Copy. Will do.
Offline
Pages: 1