SOLUTION: ln(x)= 3- ln(x+2) solve for x
Algebra.Com
Question 688852: ln(x)= 3- ln(x+2) solve for x
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
ln(x)= 3- ln(x+2) solve for x
ln(x)+ln(x+2)=3
ln[x(x+2)]=3
convert to exponential form
e^3=x(x+2)
e^3=x^2+2x
x^2+2x-e^3=0
x^2+2x-e^3=0
solve by following quadratic formula:
a=1, b=2, c=-e^3
ans:
x=3.5919
or
x=-5.5919 (reject, x>0)
RELATED QUESTIONS
ln 28 - ln (x-3) = ln x
Solve for... (answered by stanbon)
ln x + ln (x - 3) = ln 70
Solve for x (answered by fractalier)
solve for x
ln x + ln x^2 =... (answered by prateekagrawal)
ln(x^3)-ln(2-(3/2)x)=ln(2x), solve for... (answered by MathLover1)
x= ln 3 + ln 4 - ln... (answered by jim_thompson5910)
Solve the following equation for x:
{{{ ln(ln(x-3)) + ln(2) = ln5... (answered by Alan3354)
Solve:
log base 4 (X) + Log base 8 (x) = 1
ln X/ln 4 + ln X/ln 8=1
2 ln X/2 ln 4 + ln... (answered by Fombitz)
(ln(x))^2=ln(x)^2 solve for... (answered by stanbon)
(ln(x))^3=ln(x)^4
solve for... (answered by Alan3354)