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Mathematics 12 Online
OpenStudy (anonymous):

Solve. (7+2i) - (3+3i)

OpenStudy (yuki):

you can treat "i" as if it's a variable. so it's as same as doing (7-3) + i(2-3)

OpenStudy (anonymous):

4-i

OpenStudy (anonymous):

thank you that is what i got

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