Question

Simplify: (-1 - 4i) - (2 - 7i)
A. 1 - 11i
B. 1 + 11i
C. -3 + 3i
D. -30 - i

Answer 1

It is C

Answer 2

explain to him why it is C

Answer 3

Don't tell me what to do.. But I will, one sec.

Answer 4

Well I can't I used a simplifying calculator on google and it won't show me the step unless I upgrade it. But I use it alot and it's always right so...

Answer 5

thanks, could you send me the link ?

Answer 6

http://www.freemathhelp.com/factoring-calculator.php
Type in your problem and it gives you the answer...

Answer 7

thank you

Answer 8

No problem. :)