finnfennowo finnfennowo

06-11-2020
Mathematics

contestada

please help this ones pretty easy just not sure how to do it

please help this ones pretty easy just not sure how to do it class=

Respuesta :

as04621 as04621

07-11-2020

Answer:

-8i + 51

Step-by-step explanation:

(3+5i)(2-9i)

6+10i-18i-45i²

**i² = -1.

6-8i + -45(-1)

= -8i + 51

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