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3 votes
Simplify the expression.

(-3 + 6i)(-3 + 5i)
a. -9 + 30i
b. -39
c. -39 + 3i
d. 21 + 3i

please help

User Konservin
by
8.3k points

2 Answers

1 vote
The answer is -21-33i
User Algorias
by
8.2k points
3 votes

For this case we have the following expression:


image

To solve the problem, we apply the distributive property.

We have then:


image

Rewriting we have:


image

Therefore, the answer for this case is:


image

Answer:

-21-33i

Note: review the options again. The answer does not seem to be among the options.

User Chus
by
8.2k points
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