Saturday
April 19, 2014

Homework Help: Precalc

Posted by Amy on Thursday, January 27, 2011 at 5:20pm.

How to solve for x:

2^(2x) + 2^(x) -12 = 0

Steps too

I tried solving this but I ended with ln(12) / 2ln(2) + ln(2) but the real answer is supposed to be ln(3) / ln(2) or 1.585

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Precalc - how to write each expression into a single logarithm. ln(x-1/x) + ln(...
math - Express y as a function of x. C is a positive number. 3 ln y= 1/2ln (2x+1...
Algebra 2 - e^(x-2)-12^(2x+3)=0 Class is a college level math prep. Sorry for ...
ALGEBRA - Contract the expressions. That is, use the properties of logarithms to...
math - Logarithm!!! Select all of the following that are true statements: (a) ...
solving for x math - 2e^(4x^2)=3 how do i solve for x. do i use the ln methode ...
College Algebra - 1. 2log8^x=log8(4x+12) both log bases are 8. I have no clue ...
math - e^(-X/2)=12 do i bring the (-x/2) down by ln? how do i procede after that...
ALGEBRA - Contract the expressions. That is, use the properties of logarithms to...
math - write as a single logarithm: ln(x/x-1)+ ln(x+1/x)- ln(x^2-1) please show ...

Search
Members