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(4+7i)/(2+5i)=0
Domain of the equation: (2+5i)!=0We add all the numbers together, and all the variables
We move all terms containing i to the left, all other terms to the right
5i!=-2
i!=-2/5
i!=-2/5
i∈R
(7i+4)/(5i+2)=0
We multiply all the terms by the denominator
(7i+4)=0
We get rid of parentheses
7i+4=0
We move all terms containing i to the left, all other terms to the right
7i=-4
i=-4/7
i=-4/7
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