4x^2-12x/x^2/8x/3x-9

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Solution for 4x^2-12x/x^2/8x/3x-9 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:+oo)

4*x^2-((((((12*x)/(x^2))/8)*x)/3)*x)-9 = 0

4*x^2+(-1/2)*x-9 = 0

4*x^2-1/2*x-9 = 0

DELTA = (-1/2)^2-(-9*4*4)

DELTA = 577/4

DELTA > 0

x = ((577/4)^(1/2)+1/2)/(2*4) or x = (1/2-(577/4)^(1/2))/(2*4)

x = ((577/4)^(1/2)+1/2)/8 or x = (1/2-(577/4)^(1/2))/8

x in { (1/2-(577/4)^(1/2))/8, ((577/4)^(1/2)+1/2)/8 }

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