SOLUTION: I really need help with this question {{{ log(12,2)+log(12,18)+log(12,4)=x

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: I really need help with this question {{{ log(12,2)+log(12,18)+log(12,4)=x      Log On


   



Question 146340: I really need help with this question
I+really+need+help+with+this+question%0D%0A%0D%0A log(12,2)+log(12,18)+log(12,4)=x

Answer by aswathytony(47) About Me  (Show Source):
You can put this solution on YOUR website!

log(a,m) + log(a,n) = log(a, m*n)
log(12,2) + log(12,18) + log( 12,4) = x
log (12, 2*18*4) = x
log(12, 144) = x.
log( m,n) =x then n= m^x.
i.e. 144 = 12^x
12^2 = 12^x
i.e. x= 2.