Question 49781
{{{(sqrt(3)+5)(sqrt(3) -3)}}} [Use the FOIL method to multiply]
{{{(sqrt(3)(sqrt(3))+ (sqrt(3))(-3))+ ((5)(sqrt(3)) + ((5)(-3))))}}} [Simplify]
{{{(3)+ ((5-3sqrt(3))) + (-15)))}}} [Combine like-terms]
{{{(3)+ ((2sqrt(3))) + ((-15)))}}}
{{{(3)+ (-15) + (2sqrt(3)))}}}
 {{{(-12) + (2sqrt(3)))}}}
-8.53589 [Final answer]