Question

Write the sum or difference in the standard form
a + bi.
( 3 + 3i) - ( -6 + i)

Answer 1

first, distribute the - next to parenthesis

Answer 2

- ( -6 + i) = ?

Answer 3

i did that already

Answer 4

what did you get/

Answer 5

?

Answer 6

(3+3i)(6-i)

Answer 7

- ( -6 + i) = + 6 - i

(because you multiply every term in the parenthesis times -1)

Answer 8

So,
( 3 + 3i) - ( -6 + i) =
( 3 + 3i) + 6 - i =
3 + 3i + 6 - i =
3 + 6 + 3i - i =
?? (you tell me)

Answer 9

9+ 4i

but these are my choices and it does not match

-9 - 2i
-3 + 4i
9 - 2i
9 + 2i

Answer 10

yes it does match, you just need to finish what I have started

Answer 11

3+6=?
3i-i=?

so

3+6+3i-i=?

Answer 12

oh ok 9+2i

Answer 13

thank you can you help me with one more