gellyled gellyled

09-09-2021
Mathematics

contestada

Simplify the expression to a + bi form:
(3+i) + (-12 - 9i)

Respuesta :

Yang100 Yang100

10-09-2021

Answer:

-9-8i

Step-by-step explanation:

(3+i)+(-12-9i)

3+i-12-9i

3-12+i-9i

-9+i-9i

-9-8i

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bee4861 bee4861

10-09-2021

-8i-9 I think but i’m not very sure

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