SOLUTION: 10g base 4x+log base 4(x+1)=log base 4(20)
Algebra.Com
Question 441388: 10g base 4x+log base 4(x+1)=log base 4(20)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
1og base4(x) + log base4(x+1) = log base4(20)
------
log4[x(x+1)] = log4(20)
-----
x^2+x-20 = 0
(x+5)(x-4) = 0
Positive solution:
x = 4
===============
Cheers,
Stan H.
RELATED QUESTIONS
log base 4 x+log base 4... (answered by stanbon)
Solve for x:
A.) Log(base 3)4 + log(base 3)5 = log(base 3)(4x+5)
B.)log(base 7)6... (answered by algebrapro18)
Log(base 2) (x+1)-log(base 4)... (answered by lwsshak3)
log base 10(x+4)=2+log base 10 x-log base 10... (answered by josgarithmetic,greenestamps)
log(base 4)(x-9)=2
log(base 4)z + log(base... (answered by ewatrrr)
log(base 3)(x+1)-log(base 3)(x)= log(base... (answered by josmiceli)
I need a lot of help on.... log base 4 (x+1) - log base... (answered by jim_thompson5910,stanbon)
3log base 3(x)+log base 1/3(x)=-log base... (answered by lwsshak3)
log(base 5)x + log(base... (answered by jsmallt9)