12x^9-12x^7+30x^4/-6x^4

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Solution for 12x^9-12x^7+30x^4/-6x^4 equation: 


x in (-oo:+oo)

12*x^9+((30*x^4)/(-6))*x^4-(12*x^7) = 0

12*x^9+((30*x^4)/(-6))*x^4-12*x^7 = 0

12*x^9-5*x^8-12*x^7 = 0

x^7*(12*x^2-5*x-12) = 0

12*x^2-5*x-12 = 0

DELTA = (-5)^2-(-12*4*12)

DELTA = 601

DELTA > 0

x = (601^(1/2)+5)/(2*12) or x = (5-601^(1/2))/(2*12)

x = (601^(1/2)+5)/24 or x = (5-601^(1/2))/24

x^7 = 0

1*x^7 = 0 // : 1

x^7 = 0

x = 0

x in { (5-601^(1/2))/24, (601^(1/2)+5)/24, 0 }

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