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x in (-oo:+oo)
36*x^4-(18*x^2)+((24*x)/6)*x = 0
36*x^4-18*x^2+((24*x)/6)*x = 0
36*x^4-14*x^2 = 0
t_1 = x^2
36*t_1^2-14*t_1^1 = 0
36*t_1^2-14*t_1 = 0
DELTA = (-14)^2-(0*4*36)
DELTA = 196
DELTA > 0
t_1 = (196^(1/2)+14)/(2*36) or t_1 = (14-196^(1/2))/(2*36)
t_1 = 7/18 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 = 7/18
x^2-7/18 = 0
1*x^2 = 7/18 // : 1
x^2 = 7/18
x^2 = 7/18 // ^ 1/2
abs(x) = (7/18)^(1/2)
x = (7/18)^(1/2) or x = -(7/18)^(1/2)
x in { 0, (7/18)^(1/2), -(7/18)^(1/2) }
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