Объяснение:

1/4x^4 - 1/24x^6=0

1/4x^4(1-1/6x^2)=0

1/4x^4=0

x=0

1-1/6x^2=0

x^2/6 -1=0

a=1/6 b=0 c= -1

D= 0-4*1/6*(-1)= 4/6

x= 0-2/√6/(2*1/6) = -2/√6/(2/6)= -√6

x= 0+2/√6/(2*1/6) = 2/√6/(2/6)= √6

ответ:  -√6 √6