p+8/p=-9

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Solution for p+8/p=-9 equation: 


D( p )

p = 0

p = 0

p = 0

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

p+8/p = -9 // + 9

p+8/p+9 = 0

1*p^1+8*p^-1+9*p^0 = 0

(1*p^2+9*p^1+8*p^0)/(p^1) = 0 // * p^2

p^1*(1*p^2+9*p^1+8*p^0) = 0

p^1

p^2+9*p+8 = 0

p^2+9*p+8 = 0

DELTA = 9^2-(1*4*8)

DELTA = 49

DELTA > 0

p = (49^(1/2)-9)/(1*2) or p = (-49^(1/2)-9)/(1*2)

p = -1 or p = -8

p in { -8, -1} 

p in { -8, -1 }

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