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OpenStudy (anonymous):
Which is equivalent to (-2 + 4i)(7 + 2i)? A) -11 B) -5 + 6i C) -6 + 24i D) -22 + 24i
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OpenStudy (jamesj):
Well, what do you get when you multiply that out, term by term?
OpenStudy (jamesj):
(-2 + 4i)(7 + 2i) = (-2)(7) + (-2)(2i) + (4i)(7) + (4i)(2i) = ....
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