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Destinyyyy
 one year ago
Memory refresher..
Destinyyyy
 one year ago
Memory refresher..

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Subtract 7(5+6i)(1i)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1be careful with the signs remember that  * + =  and * = + when you are distributing the negative over the 2 parentheses

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Im assuming that your talking about the minus sign between the two parenthesis. The part that has me a bit stuck is the 7. I know how to distribute the negative sign to others.

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1Ok, you got that \(i=\sqrt{1}\) , right?

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1or, is it just variable/

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes. This is complex numbers.

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1the first negative is distributed about the first parentheses in the usual way

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The one behind the 7?

ikram002p
 one year ago
Best ResponseYou've already chosen the best response.0keep real part together and terms with " i " together this is all what you need to remember :)

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1the one after the 7 Yes

ikram002p
 one year ago
Best ResponseYou've already chosen the best response.0i wrote art @SolomonZelman :P

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1despite that it's my 3rd language, I got good at it lately:)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.07(56i)(1i) Now I times 7 to the first parenthesis and distribute the negative to the second correct?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1if you like you can treat the  before the parentheses as 1  so multiply everything in parentheses by 1

welshfella
 one year ago
Best ResponseYou've already chosen the best response.17  (5 + 6i) = 7 + 5  6i

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1distributing the negative over  5 + 6i gives + 5  6i

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1 you are not multiplying the 5 + 6i bt multiplying it by 1

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1* not multiplying the 5 + 6i by 7 I meant to say

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Why not? I just get rid of the parenthesis by distributing the negative?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1yes and the 7 isn't touched  it stays put

welshfella
 one year ago
Best ResponseYou've already chosen the best response.17 + 5  6i  (1  i) = 12  6t + 1 + i = 13  5i

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1actually, doesn't matter whether i is a variable or imaginary number, you get the same result.

SolomonZelman
 one year ago
Best ResponseYou've already chosen the best response.1well, not the same value, but a result that is recorded in the same way.
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