2z^2-6z^2/z^2-3z

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Solution for 2z^2-6z^2/z^2-3z equation: 


D( z )

z^2 = 0

z^2 = 0

z^2 = 0

1*z^2 = 0 // : 1

z^2 = 0

z = 0

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

2*z^2-(3*z)-((6*z^2)/(z^2)) = 0

2*z^2-3*z-6 = 0

2*z^2-3*z-6 = 0

DELTA = (-3)^2-(-6*2*4)

DELTA = 57

DELTA > 0

z = (57^(1/2)+3)/(2*2) or z = (3-57^(1/2))/(2*2)

z = (57^(1/2)+3)/4 or z = (3-57^(1/2))/4

z in { (3-57^(1/2))/4, (57^(1/2)+3)/4 }

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