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OpenStudy (anonymous):
how can you rewrite the expression (8-5i)^2 in the form a+bi?
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OpenStudy (asnaseer):
just expand the expression and remember that \(i^2=-1\)
OpenStudy (anonymous):
You can box or foil this problem. I just did and got, 39-80i
OpenStudy (anonymous):
|dw:1353953737528:dw|
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