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Mathematics 45 Online
OpenStudy (anonymous):

Simplify the given expression. (4 + 2i) − (1 − 7i)

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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