Question 597414
5u=2y^2-7y
---
2y^2-7y-5u = 0
------
Use the Quadratic Formula:
y = [7 +- sqrt(49 - 4*2*(-5u)]/4
-----
y = [7 +- sqrt(49+40u)]/4
==============
Cheers,
Stan H.
==============