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Multiply (4 – 7i)(2 + 9i).
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3 votes
Multiply (4 – 7i)(2 + 9i).

User Abhir
by
7.8k points

1 Answer

4 votes

Answer:

Explanation:

Starting with distribute property we would get:

4x2 + 4x9i - 14i - 63i^2

8 + 36i - 14i - 63i^2

We know that i^2 = -1 so -63(-1) would give us 63

8 + 63 = 71 + 22i

Answer 71 + 22i

User Amade
by
8.2k points
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