Express Product In The Form a + bi

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Discussion Overview

The discussion revolves around the problem of expressing the product -i(5+2i) in the form a + bi. Participants are seeking assistance with the process involved in simplifying this expression.

Discussion Character

  • Homework-related

Main Points Raised

  • One participant expresses frustration with the problem and requests help.
  • Another participant asks if the original poster has tried anything to solve the problem.
  • A participant suggests that they believe the answer might be 2-5i but admits uncertainty about the correctness of this answer.
  • Another participant provides a step in the simplification process, indicating that -i(5+2i) can be rewritten as -5i - 2i², while noting that the final answer may depend on the specifics of the question.
  • A later reply thanks the participant for their assistance.

Areas of Agreement / Disagreement

There is no clear consensus on the correct answer, and multiple views on the simplification process are present. Participants express uncertainty regarding the final result.

Contextual Notes

The discussion does not clarify the specific requirements of the problem, which may affect the interpretation of the expression.

Karpthulu912
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This problem is driving me crazy and its the last one in an assignment I've been doing for the last week please help
-i(5+2i)​
(Sleepy)(Sadface)(Angry)
 
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Re: Having some problem with this problem

Tried anything?
 
Re: Having some problem with this problem

ive tried and tried but can't seem to get the process down for it though i think the right answer is 2-5i but truthfully not sure
 
Re: Having some problem with this problem

-i(5+2i) = -5i - 2i²
Now it depends on what is being asked in the question
 
Re: Having some problem with this problem

Thx m8 for the help
 

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