Question 830436
It looks Ok if that's actually your problem
The problem must be to simplify the expression
{{{ 3*sqrt(7) - 2*sqrt(28) - 2*sqrt(2) + 8*sqrt(18) }}}
{{{ 3*sqrt(7) - 2*sqrt(4)*sqrt(7) - 2*sqrt(2) + 8*sqrt(9)*sqrt(2) }}}
{{{ 3*sqrt(7) - 2*2*sqrt(7) - 2*sqrt(2) + 8*3*sqrt(2) }}}
{{{ 3*sqrt(7) - 4*sqrt(7) - 2*sqrt(2) + 24*sqrt(2) }}}
{{{ sqrt(7)*( 3 - 4 ) + sqrt(2)*( 24 - 2 ) }}}
{{{ 22*sqrt(2) - sqrt(7) }}}
-----------------------