How do you simplify 9- sqrt 10 over 7-sqrt 6
( 9 - \(\sqrt{10} )/( 7 - \sqrt{6}) = ( 9 - \sqrt{10})(7 + \sqrt{6} ) / ( 7 - \sqrt{6} )( 7 + \sqrt{6} ) =\)\(( 63 + 9 \sqrt{6} - 7 \sqrt{10} - 2 \sqrt{15} ) / ( 49 - 6 ) = ( 63 + 9 \sqrt{6} - 7 \sqrt{10} - 2 \sqrt{15} ) / 43\)
