Question

simplify the expression.
(5-5i)-(-4+6i)
A.-1 -8i
B.11 -2i
C.-11 +2i
D.9i

Answer 1

First distribute out the minus sign to the two terms in the parenthesis.
(5-5i)+4-6i
then just simplify by combining like terms.
5+4-5i-6i

Answer 2

To simplify the expression, you combine like terms.

You can combine i's just as you would any other random variable.

5-5i +4 - 6i =

Answer 3

so would it be 9i?
@user2486

Answer 4

it actually appears to not be any of the 4 choices. try adding together the numbers like i put them.

Answer 5

wait my bad i mean 11-2i?

Answer 6

half way there try looking at your numbers again.

Answer 7

ok so if i add them it would be 9-11i right?

Answer 8

correct not sure why they didnt give you that as an option