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28-11-2018
Mathematics

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multiply. (-3+3i)(-2+6i) write your answer as a complex number in stantard form.

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28-11-2018

Answer:

Step-by-step explanation:

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

= -3*-2 - 3*6i +3i*-2 + 3i*6i

= 6 - 18i - 6i + 18i^2

= 6 - 24i - 18 ( because i^2 = -1)

= -12 - 24i (answer)

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