document.write( "Question 583593: (3+7i)(5-2i)=
\n" ); document.write( "explain this equation please
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Algebra.Com's Answer #372516 by JBarnum(2146)\"\" \"About 
You can put this solution on YOUR website!
\"i=sqrt%28-1%29\"
\n" ); document.write( "\"%283%2B7i%29%285-2i%29\"
\n" ); document.write( "foil
\n" ); document.write( "\"15%2B35i-6i-14i%5E2\"
\n" ); document.write( "\"i%5E2=-1\"
\n" ); document.write( "\"15%2B29i%2B14\"
\n" ); document.write( "\"29%2B29i\"
\n" ); document.write( "or
\n" ); document.write( "\"29%28i%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "now if \"i\" is not intended as the imagenary number then i=a or i=x and it would drastically change this answer
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