Question 432454
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Hi
 {{{(5-sqrt(3))(2+sqrt(3)) = 10 +3sqrt(3)- 3 = highlight(7 + 3sqrt(3))}}}
  Note:SUM of the outside terms{{{5sqrt(3)}}} and the inside terms{{{-2sqrt(3)}}} = {{{3sqrt(3)}}}
OR this demonstates the result as well.
{{{ 5(2+sqrt(3))- sqrt(3)(2+sqrt(3))= 10 + 5sqrt(3)- 2sqrt(3) - 3}}}