nuvim nuvim
  • 20-10-2021
  • Mathematics
contestada

(9+8i)(5-5i) in standard form

Respuesta :

selhv1020
selhv1020 selhv1020
  • 20-10-2021


The correct answer hope this helps and Brainliest?

(9+5i)(9+8i)
81+72i + 45i -40
41+ 117i
Answer Link
Selena328
Selena328 Selena328
  • 20-10-2021

Answer:

40i²-5i+45

Step-by-step explanation:

  • (9+8i)(5-5i)
  • 9(5-5i)+8i(5-5i)
  • 45-45i+40i-40i²
  • 45-5i-40i²
  • 40i²-5i+45
Answer Link

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