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anyanavicka [17]
3 years ago
9

Simplify the following expression. (-2+I)(3-6i) -9i 15i -12 +15i -12-9i

Mathematics
2 answers:
Valentin [98]3 years ago
5 0
The answer to your question is 15i

Alja [10]3 years ago
5 0

Answer:

15i

Step-by-step explanation:

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

Use the FOIL method then combine the real and imaginary parts of the expression.

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

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

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

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

-6 + 12i + 3i + 6

0 + 12i + 3i = 12i + 3i = 15i

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3 years ago
Find the gradient of the line segment between the points (-3,3) and (4,4).
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Answer:

2.

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