Question 911591
2x^4 + 4x^2 + 6 = 0 
x^4 + 2x^2 + 3 = 0   
NO real Solution for x^2 
{{{x^2 = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
x^2 = -1+ i√2 , -1- i√2