Question

Add the complex expressions, and simplify.
(1 – 3.5i) + (3.6 + 6.5i)

Answer 1

ok distribute it out first and lets see what you get

Answer 2

(1+3.6) - (3.5i+6.5i)

Answer 3

nope here is how you distribute

\[(a+b) * (c + d) = ac + ad + bc + bd\]

Answer 4

does that help at all?

Answer 5

yes I am sorry I am helping others and keeping up with my own

Answer 6

1-3.5i + 3.6 + 6.5i = 1+3.6 *1+6.5i= 3.7 + 6.6i = 3.5i+3.6 * 3.5i+6.5i= 7.1i + 10i = 17i does that look right

Answer 7

or is it confusing?

Answer 8

I will tell you the answer is 4.6 + 3i

Answer 9

okay

Answer 10

lets double check your FOIL

Answer 11

thank you was it that confusing?

Answer 12

All you do is add the real parts and then add the imaginary parts.. There shouldnt be any distributing

Answer 13

You FOIL is very confusing haha.

Answer 14

works lets double check

Answer 15

Im really really sorry!!!!! I thought it was (1 – 3.5i) (3.6 + 6.5i) and not (1 – 3.5i) + (3.6 + 6.5i)

Answer 16

tyler is right!

Answer 17

\[(1 + 3.6) + (-3.5 + 6.5)i\]\[4.6 + 3i\]

Answer 18

okay thank you tyler

Answer 19

and you too Walleye