Question 1082847: What is the product of 6 + 3i and -4 - 5i?
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Can you please solve it!! Need major help to graduate! Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! What is the product of 6 + 3i and -4 - 5i?
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(6 + 3i)*(-4 - 5i)
Multiply like any binomials.
= -24 - 42i - 15i^2
i^2 = -1
--> -24 - 42i + 15
= -9 - 42i
