7x*2-26x-8/x*2-16

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Solution for 7x*2-26x-8/x*2-16 equation: 


D( x )

x = 0

x = 0

x = 0

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

2*7*x-(26*x)-(2*(8/x))-16 = 0

2*7*x-26*x-16*x^-1-16 = 0

-12*x^1-16*x^-1-16*x^0 = 0

(-12*x^2-16*x^1-16*x^0)/(x^1) = 0 // * x^2

x^1*(-12*x^2-16*x^1-16*x^0) = 0

x^1

-12*x^2-16*x-16 = 0

-12*x^2-16*x-16 = 0

DELTA = (-16)^2-(-16*(-12)*4)

DELTA = -512

DELTA < 0

x in { } 

x belongs to the empty set

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