SOLUTION: log x+ log (x-1)=log 30
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Question 686836: log x+ log (x-1)=log 30
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
log x + log (x-1)=log 30
log x(x-1)=log 30
x(x-1)= 30
x^2-x = 30
x^2-x-30 = 0
(x+5)(x-6) = 0
x = {-5. 6}
we can throw out the negative solution (extraneous) leaving:
x = 6
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