(-8x^2y^8z^-5)/(12x^4y^-7z^7)

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Solution for (-8x^2y^8z^-5)/(12x^4y^-7z^7) equation: 


D( x )

12*x^4*y^-7*z^7 = 0

12*x^4*y^-7*z^7 = 0

12*x^4*y^-7*z^7 = 0

12*x^4*y^-7*z^7 = 0 // : 12*y^-7*z^7

x^4 = 0

x = 0

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

(-8*x^2*y^8*z^-5)/(12*x^4*y^-7*z^7) = 0

-2/3*x^-2*y^15*z^-12 = 0 // : -2/3*y^15*z^-12

x^-2 = 0

x naleu017Cy do O

x belongs to the empty set

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