Question

Va rog frumos! URGENT!!

Answer 1

a) 3 radical 3+9 rad 3-30 rad 3+15 rad 3
=-3 rad 3
b)5 rad 5-4 rad 5+3 rad 5-8 rad 5
=-4 rad 5
c)7 rad 3+5 rad 3-12 rad 3-11 rad 3
=-11 rad 3