2(z-1)/2z-3-3(z+2)/2z-3-z-1/3-2z

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Solution for 2(z-1)/2z-3-3(z+2)/2z-3-z-1/3-2z equation: 


z in (-oo:+oo)

z*((2*(z-1))/2)-(z*((3*(z+2))/2))-z-(2*z)-(1/3)-3-3 = 0

z*((2*(z-1))/2)+(-3/2)*z*(z+2)-z-2*z-1/3-3-3 = 0

z*(z-1)-3/2*z*(z+2)-z-2*z-1/3-3-3 = 0

(3*z*(z-1))/3+(-3/2*3*z*(z+2))/3+(3*(-z))/3+(-2*3*z)/3-1/3+(-3*3)/3+(-3*3)/3 = 0

3*z*(z-1)-3/2*3*z*(z+2)+3*(-z)-2*3*z-3*3-3*3-1 = 0

-3/2*z^2-12*z-3*z-6*z-9-9-1 = 0

-3/2*z^2-15*z-6*z-9-9-1 = 0

-3/2*z^2-21*z-9-9-1 = 0

-3/2*z^2-21*z-10-9 = 0

-3/2*z^2-21*z-19 = 0

-3/2*z^2-21*z-19 = 0

-1*(3/2*z^2+21*z+19) = 0

3/2*z^2+21*z+19 = 0

DELTA = 21^2-(3/2*4*19)

DELTA = 327

DELTA > 0

z = (327^(1/2)-21)/(3/2*2) or z = (-327^(1/2)-21)/(3/2*2)

z = (327^(1/2)-21)/3 or z = (-(327^(1/2)+21))/3

-1*(z+(327^(1/2)+21)/3)*(z-((327^(1/2)-21)/3)) = 0

(-1*(z+(327^(1/2)+21)/3)*(z-((327^(1/2)-21)/3)))/3 = 0

(-1*(z+(327^(1/2)+21)/3)*(z-((327^(1/2)-21)/3)))/3 = 0 // * 3

-1*(z+(327^(1/2)+21)/3)*(z-((327^(1/2)-21)/3)) = 0

( z+(327^(1/2)+21)/3 )

z+(327^(1/2)+21)/3 = 0 // - (327^(1/2)+21)/3

z = -((327^(1/2)+21)/3)

( z-((327^(1/2)-21)/3) )

z-((327^(1/2)-21)/3) = 0 // + (327^(1/2)-21)/3

z = (327^(1/2)-21)/3

z in { -((327^(1/2)+21)/3), (327^(1/2)-21)/3 }

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