Question

what is the real part of the standard form of the expression (4-i)(2+3i)?

Answer 1

The real part? Hmmm I guess we'll have to expand these binomials out! Remember how to multiply them out? :D

Answer 2

foil right?

Answer 3

Yah c:

Answer 4

ok

Answer 5

8+10i-3i^2

Answer 6

-3i^2+10i+8

Answer 7

ok looks good :) So before we determine the REAL part, we want to make sure we have everything nice and simplified first, because it's possible that some of the parts could be real we just don't know it based on the way it looks right now! :O

what is i^2? :D

Answer 8

sorry fell asleep, it is -1

Answer 9

I got that the real part is 11

Answer 10

hmm yah 11 sounds right c:

Answer 11

thanks!