dlacrosse5030
dlacrosse5030 dlacrosse5030
  • 18-02-2020
  • Mathematics
contestada

What did I do wrong here?​

What did I do wrong here class=

Respuesta :

igoroleshko156
igoroleshko156 igoroleshko156
  • 18-02-2020

Answer:

You put 8i^2 instead of 12i^2.  You multiply -6i by -2i which equal -12i^2

Step-by-step explanation:

-7 + 6i - 14i+ 12i^2

-7 - 8i - 12

-19 - 8i

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