Question 50400
2x^2-5x-3=0
--------------
a=2,b=-5,c=-3
x=[5+-sqrt(25+4(2)3)]/4
x=[5+-sqrt(49)]/4
x=(5+7)/4 or (5-7)/4
x=3 or x=-1/2

Hope this helps.
Cheers,
Stan H.