12x^5-18x^4-20x^2/6x

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Solution for 12x^5-18x^4-20x^2/6x equation: 


x in (-oo:+oo)

12*x^5-(18*x^4)-(x*((20*x^2)/6)) = 0

12*x^5-18*x^4+(-10/3)*x^3 = 0

12*x^5-18*x^4-10/3*x^3 = 0

2*x^3*(6*x^2-9*x-5/3) = 0

6*x^2-9*x-5/3 = 0

DELTA = (-9)^2-(-5/3*4*6)

DELTA = 121

DELTA > 0

x = (121^(1/2)+9)/(2*6) or x = (9-121^(1/2))/(2*6)

x = 5/3 or x = -1/6

2*x^3 = 0

2*x^3 = 0 // : 2

x^3 = 0

x = 0

x in { -1/6, 5/3, 0 }

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