684/b=-9b

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Solution for 684/b=-9b equation: 


D( b )

b = 0

b = 0

b = 0

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

684/b = -9*b // + -9*b

684/b-(-9*b) = 0

9*b+684/b = 0

9*b^1+684*b^-1 = 0

(9*b^2+684*b^0)/(b^1) = 0 // * b^2

b^1*(9*b^2+684*b^0) = 0

b^1

9*b^2+684 = 0

9*b^2+684 = 0

DELTA = 0^2-(4*9*684)

DELTA = -24624

DELTA < 0

b in { } 

b belongs to the empty set

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