Which expressions are equivalent to -40+24i?

Choose exactly two answers that are correct.

A. 4i(6-10i)
B. 4i(6+10i)
C. 8i(3-5i)
D. 8i(3+5i)

Question

Which expressions are equivalent to -40+24i?

Choose exactly two answers that are correct.

A. 4i(6-10i)
B. 4i(6+10i)
C. 8i(3-5i)
D. 8i(3+5i)

nnesha · Answer

http://openstudy.com/study#/updates/55fb1a4de4b0027d1e7718eb do you know you can ask question if you didn't understand anything ?

anonymous · Answer

I was about to tag you sorry; it wouldn't let me click on the question. Sorry!!

nnesha · Answer

its okay.

anonymous · Answer

Okay; so can you give me the formula again? c:

nnesha · Answer

apply distributive property
 distribute parentheses by outside number/variable
$$\huge\rm \color{reD}{a}(b+c) =\color{red}{a} ·b +\color{reD}{a}·c =\color{ReD}{a}b +\color{ReD}{a}c$$

nnesha · Answer

|dw:1442521669737:dw|
multiply both terms by 4i 
4i times 6=?
4i times -10i=?