document.write( "Question 619054: Please help!
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document.write( "I simplified (3+i)^2 and got 9-1 but it was wrong.
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document.write( "thanks \n" );
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Algebra.Com's Answer #389290 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! (3+i)^2 \n" ); document.write( "= (3+i)*(3+i) \n" ); document.write( "= 9 + 6i + i^2 \n" ); document.write( "= 9 + 6i - 1 \n" ); document.write( "= 8 + 6i \n" ); document.write( " \n" ); document.write( " |