Question 641521
{{{ (3-sqrt(2))/(2sqrt(3)+5) }}}
multiply by the conjugate of the denominator over itself, then FOIL
{{{ (3-sqrt(2))/(2sqrt(3)+5) }}} * {{{ (2sqrt(3)-5)/(2sqrt(3)-5) }}} = {{{((6sqrt(3)-15-2sqrt(6)+5sqrt(2)))/(4(3)-25) }}} = {{{((6sqrt(3)-15-2sqrt(6)+5sqrt(2)))/(-13)}}}