A= -2radical 54 + 3 radical 384 - 5 radical 96 = -12 radical 6 + 24 radical 6 - 20 radical 6 = 12 radical 6 - 20 radical 6 = -8 radical 6
B= 2 radical 50 - 5 radical 128 + 2 radical 162= 10 radical 2 - 40 radical 2 + 18 radical 2= -30 radical 2 + 18 radical 2= -12 radical 2
AxB= -8 radical 6 x -12 radical 2 = +96 radical 12
AimpartitB= -8 radical6 impartit -12 radical 2 = + 0,6(7) radical 3