SOLUTION: Can someone please help me with this equation? log(x) + log(x - 99,990) = 6 x = ______ Jerry jerry@san.rr.com

Algebra.Com
Question 324823: Can someone please help me with this equation?
log(x) + log(x - 99,990) = 6
x = ______
Jerry
jerry@san.rr.com

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Can someone please help me with this equation?
log(x) + log(x - 99,990) = 6
---
log[x(x-99,990)] = 6
---
x^2-99,900x = 10*6
---
x^2 -99,900x - 1,000,000 = 0
---------
Quadratic Formula:
x = [99900 +- sqrt(99900^2 - 4000000)]/2
------
x = [99900 +- 99880]/2
----
x = 10 or x =99890
======================
Cheers,
Stan H.


RELATED QUESTIONS

Can someone please help me with this? x^2 + 16x + ___ = (x + ___)^2 Jerry... (answered by Fombitz)
I am having trouble with this toic can someone please help me. Solve logarithmic... (answered by scott8148)
solve the following logarithmic equation log(3x+7)=1+log(x-6) can someone please... (answered by Fombitz)
Please help me solve this equation: log 3(x+6)+log 3(x-6)-log... (answered by josgarithmetic,MathTherapy)
Please help me solve this equation:... (answered by Alan3354)
Please help me solve this equation:... (answered by lwsshak3)
please help me solve this equation; log(base 6)3x + log(base 6)(x-1) = 3 (answered by nerdybill)
Please help me solve this equation: {{{ log base 4(x^2+6)=log base 4 (5x)... (answered by josgarithmetic)
Well I'm given this equation X=log of 76.4 to the base 6 I must solve for x Can... (answered by fractalier)