ka2nwMacoleWif
ka2nwMacoleWif ka2nwMacoleWif
  • 15-12-2015
  • Mathematics
contestada

Simplify the expression.
(-4 + 7i)(-4 - 7i)

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Powlita
Powlita Powlita
  • 15-12-2015
65 is your answer i think.. but i could be wrong 
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