Perform the indicated operation.

(-2+3i)+(-1-4i)

Question

Perform the indicated operation.

(-2+3i)+(-1-4i)

anonymous · Answer

plz really need help

anonymous · Answer

Alright, so all (-2+3i)+(-1-4i) means is:

-2 + 3i -1 - 4i

anonymous · Answer

So then you combine like terms, 

-2 - 1 + 3i - 4i

anonymous · Answer

-3 - i is your final answer :)

anonymous · Answer

thank you so much really help, but can i ask u to help me with one more problem

anonymous · Answer

Sure

anonymous · Answer

i dont no how to simpliy somethind in this form

anonymous · Answer

You're just going to FOIL for that. Do you know how to do that?

anonymous · Answer

no there was nothing like that in my video lesson

anonymous · Answer

So if we have (4x+6)(x+2), for example,

You're going to do this:
|dw:1381945904390:dw|
Just multiplying. So all you're going to do with that problem is multiply the fractions in this fashion. Remember that i^2 is equal to -1 :)