Question 180588
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
x2 – 6x + 10 = 0
x=(6+-sqrt[-6^2-4*1+10)/2*1
x=(6+-sqrt[36-40])/2
x=(6+-sqrt-4)/2
x=(6+-2i)/2
x=3+-1i ans.
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I'll leave this one for you to solve.  
x2 – 4x + 29 = 0