blakem1439 blakem1439

06-12-2021
Mathematics

contestada

Anyone know this? please help and Thank you very much!!!

Anyone know this please help and Thank you very much class=

Respuesta :

loneguy loneguy

06-12-2021

[tex](9+7i)(6+3i)\\\\=54+27i + 42i + 21i^2\\\\=54+69i -21~~~;[i^2 =-1]\\\\=33+69i[/tex]

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