Jkathy Jkathy
  • 26-05-2016
  • Mathematics
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[tex] \frac{2z( x^{2} - y}{xy + z} [/tex] these are the numbers for the variables x=-1 y=6 z=4

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Giantkiller
Giantkiller Giantkiller
  • 26-05-2016
i use those variables in the second xy+z and i got this 

−12x^2z+12yz+4
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