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OpenStudy (anonymous):
solve for x: ln(5x+1)+lnx=ln4
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OpenStudy (callisto):
ln(5x+1)+lnx=ln4 ; ln(5x+1)(x) = ln4 ; 5x^2 + x- 4 =0 ; x = 1 or x=-0.8 (rejected)
OpenStudy (callisto):
sorry , x=0.8 or x=-1(rejected)
OpenStudy (callisto):
Once again, ln(5x+1)+lnx=ln4 ; ln(5x+1)(x) = ln4 ; 5x^2 + x- 4 =0 ; x=0.8 or x=-1(rejected)
OpenStudy (anonymous):
thanks!
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