document.write( "Question 723546: write the expression (5+7i)(5-7i) as a complex number in standard form? \n" ); document.write( "
Algebra.Com's Answer #466692 by tommyt3rd(5050)\"\" \"About 
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(5+7i)(5-7i)=5^2+7^2=25+49=74 \n" ); document.write( "
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