SOLUTION: ln(x+5)+ln(x-2)=2ln(x)

Question 243562: ln(x+5)+ln(x-2)=2ln(x)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Rewrite the log on the right using the identity

Combine the logs on the left using the identity

Raise both sides as powers of 'e' to eliminate the logs.

FOIL

Subtract from both sides.

Add to both sides.

Combine like terms on the right side.

Divide both sides by to isolate .

----------------------------------------------------------------------

Answer:

So the solution is which approximates to .
RELATED QUESTIONS
2ln 2... (answered by tommyt3rd)

ln(x^2-9)-2ln(x-3)-ln(x+3) (answered by tommyt3rd)

-1 + 2ln(x-2) =... (answered by Edwin McCravy)

2ln(x-2)=ln3 +... (answered by Alan3354)

Condense 2ln(x + 2) - ln(x + 2) - ln(2) -... (answered by MathLover1)

Condense... (answered by nerdybill)

5+ln(8x)=23-2ln(x) (answered by nerdybill,themathtutor2009)

solve ln x-2ln 3=2 (answered by stanbon)

2ln(x+1/2)=ln(1/4) (answered by lwsshak3)