Question 139225
-1+3x^2=2x
3x^2-2x-1=0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
x=(2+-sqrt[-2^2-4*3*-1])/2*3
x=(2+-sqrt[4+12])/6
x=(2+-sqrt16)/6
x=(2+-4)/6
x=(2+4)/6
x=1 answer.
x=(2-4)/6
x=-2/6
x=-1/3 answer.