[tex]a ) 3 \sqrt{18} + 7 \sqrt{32} - 6 \sqrt{50} =

b ) \sqrt{96} + \sqrt{245} + \sqrt{486} - \sqrt{605} =

c) ( 5+2 \sqrt{3} ) * (5- 2\sqrt{3}) + \sqrt{3} * ( 2-5 \sqrt{3} ) =

d) 2 \sqrt{3} * ( \sqrt{3} - 5 \sqrt{6}) - 3 \sqrt{2} * ( 5 \sqrt{2}- \sqrt{2}) =

e) ( \sqrt{8} + \sqrt{3}) * ( \sqrt{2}- \sqrt{27}) = [/tex]