document.write( "Question 603157: i need to simplify complex numbers. the problem is (6+3sq.rt.-1)(6-sq.rt.-1) we have the answers but we need to show our work and i have no idea how to get there. the answer is 39+12sq.rt.-1 \n" ); document.write( "
Algebra.Com's Answer #380613 by mananth(16949)\"\" \"About 
You can put this solution on YOUR website!
\"%286%2B3sqrt%28-1%29%29%286-sqrt%28-1%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"6%286-sqrt%28-1%29%29%2B3sqrt%28-1%29%286-sqrt%28-1%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"36-6sqrt%28-1%29%2B18sqrt%28-1%29%2B3\"\r
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\n" ); document.write( "\n" ); document.write( "\"39%2B12sqrt%28-1%29\"
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