-8d-5d/7d=72

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Solution for -8d-5d/7d=72 equation: 


d in (-oo:+oo)

-(((5*d)/7)*d)-8*d = 72 // - 72

-(((5*d)/7)*d)-8*d-72 = 0

(-5/7)*d^2-8*d-72 = 0

-5/7*d^2-8*d-72 = 0

DELTA = (-8)^2-(-72*(-5/7)*4)

DELTA = -992/7

DELTA < 0

d belongs to the empty set

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