18x-(20v/9x^2)

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Solution for 18x-(20v/9x^2) equation: 


x in (-oo:+oo)

18*x-(((20*v)/9)*x^2) = 0

(-20/9)*v*x^2+18*x = 0

18*x-20/9*v*x^2 = 0

DELTA = 18^2-(-20/9*0*4*v)

DELTA = 324

DELTA > 0

x = (324^(1/2)-18)/(-20/9*2*v) or x = (-324^(1/2)-18)/(-20/9*2*v)

x = 0 or x = 81/10*v^-1

x in { 0, 81/10*v^-1 }

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