contestada

multiply each pair of factors. type the product in the space provided
(6+3i)(6-3i) =______
(4-5i)(4+5i)=_______
(-3+8i)(-3-8i)=______

Respuesta :

kirabowen15
(6+3i)(6-3i) =
(6 x 6) (6 x -3i) = 36 - 18i
(3i x 6) (3i x 3i) = 18i + 9i^2
36 - 18i + 18i + 9i^2
36 + 9i^2
elizabethpaak2

Answer:

1) 45

2) 41

3) 73

second portion:

1) -36

2) -4+28i

Step-by-step explanation:

edg. 2020

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