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OpenStudy (anonymous):
Simplify the given expression. (4 + 2i) − (1 − 7i)
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OpenStudy (anonymous):
5 − 5i 5 + 9i 3 + 9i 3 − 5i
OpenStudy (gorv):
4+2i-1+7i=3+9i
OpenStudy (anonymous):
thanks sweetheart!
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