You can put this solution on YOUR website! solve for x by using the quadratic formula
2/3x^2+1/4x=3
----
Multiply thru by 12 to get rid of the fractions:
---
8x^2 + 3x - 36 = 0
---
x = [-3 +- srt(9 -4*8*-36)]/16
---
x = [-3 +- sqrt(1161)/16
---
x = 1.9421 or x = -2.3171
===============================
Cheers,
Stan H.