solve this please. (3+9i)/(3+4i) please show work but you do not have to  would mean alotsmiley

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1 Answer

Multiply top and bottom by 3-4i:

(3+9i)(3-4i)/((3+4i)(3-4i))=(9+15i+36)/(9+16)=(45+15i)/25.

This simplifies to 9/5+3i/5.
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