SOLUTION: Please help me to solve this equation: log x + log(3x+5)=1
Algebra.Com
Question 747856: Please help me to solve this equation: log x + log(3x+5)=1
Found 2 solutions by Kg2003, MathLover1:
Answer by Kg2003(10) (Show Source): You can put this solution on YOUR website!
Use log properties.
Next change to exponential form. (It's base 10)
Next use quadradic formula to factor. The negative answer won't work because you can't take the log of a negative number. Your answer is approximately 1.1736
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
...it is base log
....use quadratic formula
solutions:
since logarithm of negative number , we will use only
positive solution
RELATED QUESTIONS
please help me solve this equation
1/4 log x-3 log y-log... (answered by MathLover1)
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:... (answered by Alan3354)
Please help me solve this equation: {{{ log(3x-2)=1+log(5) }}}
Please note all the bases (answered by Tatiana_Stebko)
Please help me solve this equation:... (answered by Alan3354)
Please help me solve this equation {{{ log(3x+2) - 2logx = 1 - log (5x-3)... (answered by Alan3354)
Please help me solve this equation: Log (15-5x)-1=(Log... (answered by Alan3354,MathLover1)
please help me solve this
log (6x+5) - log (3) = log (2) - log... (answered by solver91311)
please help me solve this equation {{{ log base10(x+9)=1+log base10(x+1)-log base10(x-2)... (answered by Alan3354)