document.write( "Question 243656: how do you simplify this expression??
\n" ); document.write( "(7+9i)(2-5i) help! full steps please
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Algebra.Com's Answer #178478 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"%287%2B9i%29%282-5i%29\"\r\n" );
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document.write( "Use FOIL\r\n" );
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document.write( "\"14-35i%2B18i-45i%5E2\"\r\n" );
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document.write( "Combine middle two terms:\r\n" );
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document.write( "\"14-17i-45i%5E2\"\r\n" );
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document.write( "Use the fact that \"i%5E2=-1\"\r\n" );
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document.write( "\"14-17i-45%28-1%29\"\r\n" );
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document.write( "\"14-17i%2B45\"\r\n" );
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document.write( "\"59-17i\"\r\n" );
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document.write( "Edwin

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