kkimberly06 kkimberly06
  • 16-11-2020
  • Mathematics
contestada

pls help, it’s worth 15 points!

pls help its worth 15 points class=

Respuesta :

sophiaaowen
sophiaaowen sophiaaowen
  • 16-11-2020
It’s option 1: 30 + 22i
Answer Link
xenia168
xenia168 xenia168
  • 16-11-2020

Answer:

(1) 30 + 22i

Step-by-step explanation:

x = 3 + 7i ⇒ 2x = 6 + 14i

y = - 6 - 2i ⇒ 4y = - 24 - 8i

2x - 8y = ( 6 + 14i ) - ( - 24 - 8i ) = 6 + 14i + 24 + 8i = (6 + 24) + (14i + 8i )

2x - 8y = 30 + 22i

Answer Link

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