Question 338663
2x^2-x=-6
2x^2-x+6=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
x=(1+-sqrt[-1^1-4*2*6])/2*2
x=(1+-sqrt[1-48])/4
x=(1+-sqrt-47)/4
x=(1+-6.86i)/4
x=1/4+-1.71i ans.