Question 282480
x^2-3x+7=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
x=(3+-sqrt[-3^2-4*1*7])/2*1
x=(3+-sqrt[9-28])/2
x=(3+-sqrt-19)/2
x=(3+-4.359i)/2
x=3+4.359i)/2
x=3/2+-4.359i/2
x=1.5+-2.18i ans.