SOLUTION: Can you please help me with this equation?
ln(x-5)-ln(x+4)= ln(x-1)-ln(x+2)
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Question 130718This question is from textbook
: Can you please help me with this equation?
ln(x-5)-ln(x+4)= ln(x-1)-ln(x+2)
This question is from textbook
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
by rules of logs __
"cross" multiplying __ x^2-3x-10=x^2+3x-4 __ subtracting x^2 __ -3x-10=3x-4
adding 3x+4 __ -6=6x
substituting the value of x into the original equation results in two of the ln arguments being negative
__ since logs are not defined for negative quantities, there is no solution for this equation
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