Question

•radical din 63 minus 3 radical din 28





•radical din 20 minus 2 radical din 45​

Answer 1

radical 63- 3 radical 28= 3 radical 7- 3x2 radical 7=3 radical 7-6 radical 7= - 3 radical 7

radical 20-2 radical 45= 2 radical 5- 2 x 3 radical 5= 2 radical 5 - 6 radical 5= - 4 radical 5