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Simplify: (3 - 7i)(2 + 4i)
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3.2 + 3.4i -7i.2 - 7i.4i
do em
-2i - 34
+34
3*2+(3*4i)-7i*2-7i*4i 6+12i-14i-28i^2 6-2i-28^2
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