gett6ye4hisNikk gett6ye4hisNikk
  • 21-11-2016
  • Mathematics
contestada

Multiply (2 – 7i)(9 + 5i)

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johnkellock
johnkellock johnkellock
  • 22-11-2016
18 + 10i - 63i - 35i
= 18 - 88i
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