help (please dont send me any links i just need an answer)

Answer:
x = +/- (2v3)/3
Step-by-step explanation:
6x^4 - 5x^2 - 4 = 0
*Quadratic equation
(v = square root, v3 = square root 3)
x = +/- (2v3)/3
Answer:
G,B
I know G is one answer but, I'm really sorry
Step-by-step explanation: