SOLUTION: Write 1 - 2log7x as a single logarithm.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Write 1 - 2log7x as a single logarithm.      Log On


   

Question 388959: Write 1 - 2log7x as a single logarithm.
Found 2 solutions by richard1234, Alan3354:
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Note that

1+-+2+log+%287x%29+=+log+10+-+2+log+%287x%29+=+log+10+-+log+%2849x%5E2%29

Applying the difference of two logarithms this expression is equal to

log%2810%2F49x%5E2%29

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Is it log(7x) ? or log(x) base 7 ?