1.
If x= (2 + sqrt(3)i)/5 is a solution, then x = (2 - sqrt(3)i)/5 is also a solution.
Equation is (x-1/5(2+isqrt(3)))(x-1/5(2-isqrt(3))) = 0
or x^2-(4x)/5+7/25 = 0
Or 25x^2 - 20x + 7 = 0
1.
If x= (2 + sqrt(3)i)/5 is a solution, then x = (2 - sqrt(3)i)/5 is also a solution.
Equation is (x-1/5(2+isqrt(3)))(x-1/5(2-isqrt(3))) = 0
or x^2-(4x)/5+7/25 = 0
Or 25x^2 - 20x + 7 = 0
