18z-12z/3z

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Solution for 18z-12z/3z equation: 


z in (-oo:+oo)

18*z-(((12*z)/3)*z) = 0

18*z-4*z^2 = 0

18*z-4*z^2 = 0

DELTA = 18^2-(-4*0*4)

DELTA = 324

DELTA > 0

z = (324^(1/2)-18)/(-4*2) or z = (-324^(1/2)-18)/(-4*2)

z = 0 or z = 9/2

z in { 0, 9/2 }

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