Question

Simplify the expression.

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

please help

Answer 1

The answer is -21-33i

Answer 2

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.