SOLUTION: Log3(3x+8)=log3(x^2+x)

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Question 840163: Log3(3x+8)=log3(x^2+x)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Log3(3x+8)=log3(x^2+x) ⇒

 3x +5 = x^2 +x

x^2 -2x -5  



x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ 

x+=+%282+%2B-+sqrt%28+4%2B20%29%29%2F%282%29+ 

x+=+1+%2B-+sqrt%28+6%29%29+ 

x is 3.44948974278318 0r  -1.44948974278318.