codey48ad codey48ad

26-01-2022
Mathematics

contestada

(5+2i)-(9i^2-6i)
pls show work so i can understand ;-;

Respuesta :

mhanifa mhanifa

26-01-2022

Answer:

14 + 8i

Step-by-step explanation:

Given expression:

(5 + 2i) - (9i² - 6i)

Simplify by opening parenthesis and considering that i² = - 1:

(5 + 2i) - (9i²-6i) =
5 + 2i - 9(-1) + 6i =
5 + 8i + 9 =
14 + 8i

Answer Link

Аноним Аноним

27-01-2022

i=√-1

[tex]\\ \tt\longmapsto (5+2i)-(9i^2-6i)[/tex]

[tex]\\ \tt\longmapsto 5+2i-9i^2+6i[/tex]

[tex]\\ \tt\longmapsto 5+8i+9[/tex]

[tex]\\ \tt\longmapsto 8i+14[/tex]

Answer Link

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