SOLUTION: Find all solutions: 3+2 log(x+5)=5

Algebra.Com
Question 138853: Find all solutions:
3+2 log(x+5)=5

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
3+2*log(x+5)=5
2*log(x+5)=2
log(x+5)^2=2
10^log(x+5)^2=10^2
(x+5)^2=100
x^2+10x+25-100=0
x^2+10x-75=0
(x+15)(x-5)=0
x=5
.
Ed

RELATED QUESTIONS

Find all solutions $x$ to the equation 5(2x + 1) + 5*2 = 5*x + 5(x + 3). (answered by ikleyn)
Find x if \log_2 x^2 + \log_{1/2} x + 3 \log_4 x = 5. (answered by ikleyn)
log 3^x - log 3^5 =... (answered by stanbon)
log (6x + 5) - log 3 = log 2 - log x (answered by rapaljer,arunpaul)
Find all degree solutions: 3 sin x + 5= -2 sin x Please... (answered by lwsshak3)
find x if log 6 base 3 + log x base 3 - log 5 base... (answered by lwsshak3)
Please help me solve this problem: find all solutions 3... (answered by stanbon)
3 ( log 5 - log 3 ) - ( log 5 - 2 log 6 ) = 2 - log n , find n. (answered by dkppathak)
3 ( log 5 - log 3 ) - ( log 5 - 2 log 6 ) = 2 - log n , find n. (answered by nerdybill)