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Mazyrski [523]
2 years ago
11

( 9 + 2 i ) ( 3 − 5 i ) − ( 9 + i ) ( 3 − 5 i ) Steps would be appreciated!

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
3 0
<span>( 9 + 2 i ) ( 3 − 5 i ) − ( 9 + i ) ( 3 − 5 i )
FOIL
i x i = -1
(27 + 6i - 45i +10) - (27 +3i - 45i +5)
Combine like terms and distribute the negative
37 - 39i + 42i - 32
3i + 5
This is the farthest I could go with it. Assuming you were looking for a simplification though you did not specify your desired answer's criteria. Hope this helped!</span>
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Keith_Richards [23]

Answer:

1) n=-12

2) y=-8

3) x= 1/30

Step-by-step explanation:

1) 7+n=-5

7+n-7=-5-7

n=-12

2) 18=-3y-6

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 -3y-6+6=18+6

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3) 3/5x=18

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2 years ago
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Oksanka [162]
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Answer:

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Step-by-step explanation:

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