Question

3 radical 18 ori radical 50

Answer 1

radical 18=3 radical 2
radical 50=5 radical 2
radical 98=7radical2
2*3radical2 - 5radical2 + 7radical2=
6radical2 - 5radical2 + 7radical2=
1radical2 + 7radical2= 8radical2
x=8

Answer 2

3 radical 18 × radical 50 = 9 radical 2 × 5 radical 2 = 45 × 2 = 90