Question 93441
2x^2-5x-3=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
x=(5+-sqrt[-5^2-4*2*-3])/2*2
x=(5+-sqrt[25+24])/4
x=(5+-sqrt49)/4
x=(5+-7)/4
x=(5+7)/4
x=12/4
x=3 answer.
x=(5-7)/4
x=-2/4
x=-.5 answer.