18x4-16^3/2x^2

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Solution for 18x4-16^3/2x^2 equation: 


x in (-oo:+oo)

18*x^4-(((16^3)/2)*x^2) = 0

18*x^4-2048*x^2 = 0

t_1 = x^2

18*t_1^2-2048*t_1^1 = 0

18*t_1^2-2048*t_1 = 0

DELTA = (-2048)^2-(0*4*18)

DELTA = 4194304

DELTA > 0

t_1 = (4194304^(1/2)+2048)/(2*18) or t_1 = (2048-4194304^(1/2))/(2*18)

t_1 = 1024/9 or t_1 = 0

t_1 = 0

x^2+0 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

t_1 = 1024/9

x^2-1024/9 = 0

1*x^2 = 1024/9 // : 1

x^2 = 1024/9

x^2 = 1024/9 // ^ 1/2

abs(x) = 32/3

x = 32/3 or x = -32/3

x in { 0, 32/3, -32/3 }

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