Jhornsby209
Jhornsby209 Jhornsby209
  • 19-10-2016
  • Mathematics
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Nonpermissable replacement for a in 4/-9a

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Zinethar
Zinethar Zinethar
  • 19-10-2016
If a=0, then the denominator is equal to 0.  Since you cannot divide by zero, you are not allowed to do this.
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