Given equation is 3 x 2 − 2 x+3 3 =0 .
Any equation of the form a x 2 +bx+c=0 has the solution
x= −b± D 2a
Here, D= b 2 −4ac is called the discriminant of the quadratic equation.
x= 2 ± 2−4× 3 ×3 3 2 3 = 2 ± −34 2 3 = 2 ± 34 i 2 3
Thus, x= 2 ± 34 i 2 3 .