SOLUTION: 4^(-2x)=510

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: 4^(-2x)=510      Log On


   

Question 450670: 4^(-2x)=510
Found 2 solutions by edjones, nerdybill:
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
4^(-2x)=510
log[4]4^(-2x)=log[4]510
-2x=4.4971
x=-2.2486
.
Ed

Answer by nerdybill(7384) About Me  (Show Source):