SOLUTION: ln(x+2) + lnx =ln 35

Question 445357: ln(x+2) + lnx =ln 35
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
ln(x+2) + lnx =ln 35
..
ln(x+2) + lnx =ln 35
ln(x+2) + lnx -ln 35=0
ln(x(x+2)/35=0
convert to exponential form: (base raised to log of number=number)
e^0=(x(x+2)/35=1
(x^2+2x)=35
x^2+2x-35=0
(x+7)(x-5)=0
x=-7 (reject, x>0)
x=5 (ans)
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