SOLUTION: how do you solve log7 x+2 log7 x

SOLUTION: how do you solve log7 x+2 log7 x - log7 3=log7 72

Question 588468: how do you solve log7 x+2 log7 x - log7 3=log7 72
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
how do you solve
log7 x+2 log7 x - log7 3=log7 72
log7(x)+log7(x^2)-log7(3)=log7(72)
log7(x)+log7(x^2)-log7(3)-log7(72)=0
place under single log
log[x(x^2)/(3*72)]=0
convert to exponential form
10^0=x^3/216=1
x^3=216
x=6
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