- #1
thatguythere
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Homework Statement
log3x+log3(2x+1)=1
Solve for x.
Homework Equations
The Attempt at a Solution
log3((2x+1)x)=1
3log3((2x+1))=31
(2x+1)x=3
2x2+x=3
2x2+x-3=0
Using the quadratic formula
x= (-1±√(12-4(2)(-3)))/(2(2))
= (-1±√(1+24))/(4)
= (-1±√25)/(4)
= (-1±5)/(4)
= 4/4 or -6/4
Is there no solution?