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Nataliya [291]
3 years ago
10

What is the value of (-7 + 3i) - (2-6i)?

Mathematics
2 answers:
Doss [256]3 years ago
8 0

Answer:

9 (i - 1)

Step-by-step explanation:

Simplify the following:

-7 + 3 i - (-6 i + 2)

-(2 - 6 i) = -2 + 6 i:

6 i - 2 - 7 + 3 i

-2 + 6 i - 7 + 3 i = (6 i + 3 i) + (-2 - 7) = -9 + 9 i:

9 i - 9

Factor 9 out of 9 i - 9 giving 9 (i - 1):

Answer:  9 (i - 1)

gtnhenbr [62]3 years ago
7 0

Answer:

<h2>-9 + 9i</h2>

Step-by-step explanation:

(-7+3i)-(2-6i)\\\\=-7+3i-2-(-6i)\\\\=(-7-2)+(3i+6i)\\\\=-9+9i

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