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Mathematics 9 Online
OpenStudy (anonymous):

Either factor or use the quadratic formula to solve the given equation. (lnx)^2 + 2lnx=3

myininaya (myininaya):

if it helps you to see things better replace the ln(x) 's with u 's

myininaya (myininaya):

\[u^2+2u-3=0\]

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