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OpenStudy (anonymous):
Evaluate the following expression: (5-7i)+(7+5i) A. 12-2i B. -2+12i C. 12+2i D. -12+2i
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OpenStudy (luigi0210):
Combine like terms: \(\ (5+7)+(-7i+5i) \)
OpenStudy (luigi0210):
Group numbers together, group imaginary numbers together
OpenStudy (dmndlife24):
5-7i+7+5i Combine like terms... 12-2i
OpenStudy (dmndlife24):
@ThatGoodmanGuy do you understand?
OpenStudy (anonymous):
Yes I do. I was just unsure of how to do it
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OpenStudy (dmndlife24):
great
OpenStudy (luigi0210):
No need to give the answer.
OpenStudy (matlee):
i means negative?
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