document.write( "Question 97610: ( $\"+2sqrt%28+6+%29+\"$ + $\"+7sqrt%28+3+%29+\"$ )( $\"+2sqrt%28+6+%29+\"$ - $\"+7sqrt%28+3+%29+\"$ ) \n" ); document.write( "

Algebra.Com's Answer #71008 by mathslover(157) $\"\"$ $\"About$

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( $\"+2sqrt%28+6+%29+\"$ + $\"+7sqrt%28+3+%29+\"$ )( $\"+2sqrt%28+6+%29+\"$ - $\"+7sqrt%28+3+%29+\"$ )\r
\n" ); document.write( "\n" ); document.write( "if $\"+2sqrt%28+6+%29+\"$ = x
\n" ); document.write( "and $\"+7sqrt%28+3+%29+\"$ =y then the given expression can be wriiten as\r
\n" ); document.write( "\n" ); document.write( " $\"%28x%2By%29+%28x-y%29\"$
\n" ); document.write( " $\"+x%5E2+-+y%5E2+\"$ \r
\n" ); document.write( "\n" ); document.write( "Substituting back the values of x and y we have\r
\n" ); document.write( "\n" ); document.write( " $\"+%282sqrt%28+6+%29%29%5E2+-+%287sqrt%28+3+%29%29%5E2+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4%2A6+-+49%2A3+\"$
\n" ); document.write( " $\"24+-++147\"$
\n" ); document.write( " $\"+123+\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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