document.write( "Question 90648: Simplify\r
\n" ); document.write( "\n" ); document.write( "(7+square root of 6)(7- square root of 6) \n" ); document.write( "
Algebra.Com's Answer #65830 by vertciel(183)\"\" \"About 
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(7 + √6)(7 - √6)\r
\n" ); document.write( "\n" ); document.write( "= 49 - 7√6 + 7√6 - √36\r
\n" ); document.write( "\n" ); document.write( "= 49 - √36\r
\n" ); document.write( "\n" ); document.write( "= 49 - 6\r
\n" ); document.write( "\n" ); document.write( "= 43\r
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