AlgebraHelpRequired
AlgebraHelpRequired AlgebraHelpRequired
  • 21-06-2016
  • Mathematics
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PLEASE HELP ME!!!
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Bubba
Bubba Bubba
  • 21-06-2016

2x2 – 2z4 + y2 – x2 + z4

X2 + y2 – z2

-42 – 24 + 32

-16 – 16 + 9 =

23


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